(d) A beam of white light shines onto a sheet of white paper. An identical beam of light shines onto a mirror. The light is scattered from the paper and reflected from the mirror.

Answers

Answer 1

Final answer:

The question relates to how white light spreads out or reflects on a white paper and a mirror, governed by the law of reflection in Physics. Diffused light allows a sheet of paper to be visible from multiple angles, while a mirror reflects light at specific angles based on its smooth surface.

Explanation:

The question pertains to the law of reflection in Physics, looking specifically at how light behaves when shining on different surfaces. When a beam of white light shines onto a sheet of white paper, the light is scattered, or diffused, due to the roughness of the paper's surface. This scattering allows the paper to be seen from various angles. In contrast, when the identical beam shines onto a mirror, the light is reflected because of the mirror's smooth surface.

The reflection adheres to the law of reflection, which states that the angle of reflection equals the angle of incidence (θr = θi). White light on yellow paper and yellow light on white paper will result in color changes due to the colors being absorbed or reflected, whereas red and green lights on white paper may combine to produce a different color perception depending on the superposition of the lights.


Related Questions

Describe what is meant by “a constant change of direction”. Identify whether the examples provided
show a constant change of direction when moving. (S8P3a)
a. A merry-go-round spinning in circles.
b. A wind vane swinging around.
c. A kid walking on a straight path.

Answers

A because I heard it is

A constant change of direction implies ongoing alterations in the course of movement, typically involving centripetal acceleration. A merry-go-round and a wind vane demonstrate this, while a kid walking straight does not.

"A constant change of direction" refers to a situation where an object or point is continually altering the course of its movement. In the context of physics and motion, this typically indicates the presence of centripetal acceleration, which is the acceleration directed towards the center of a circular path that keeps an object moving in a curve rather than a straight line.

A merry-go-round spinning in circles displays a constant change of direction due to the rotational movement with each point on the ride continuously changing its direction as it moves in a circle.

A wind vane swinging around also shows a constant change of direction as it repeatedly changes which way it's pointing due to shifting wind directions.

A kid walking on a straight path does not exhibit a constant change of direction because the motion is linear and not curved.

If C moves to position 5 (60 meters), what is its average velocity during these 5 seconds?
(A
10 m/s
(B
11 m/s
C)
12 m/s
D)
13 m/s

Answers

If C moves to position 5 (60 meters), the average velocity during these 5 seconds is 12m/s

Explanation:

Velocity can be defined as the rate of change of position with respect to the time.Velocity is the vector quantity as it indicates displacement direction and time.Average velocity of an object is total displacement by total time.

Velocity can be calculated by using formula v=d/t. where v=velocity, d=distance and t= time duration.

Average velocity can be calculated by,  v= (Δx)×(Δt) Where Δx is the total displacement of the body and ∆t is the time.

The SI unit of velocity is m/s.

Answer:

12 m/s

Explanation:

The average velocity is simply the change in displacement over the specified time interval. In this case we have a total of five intervals, which represents 5 seconds. Dividing 60 m by 5s, gives us 12 m/s, which is the magnitude of the average speed in the interval.

What is unique about Neptune's discovery?


A)It was discovered by Kuiper

B)It was the first planet located through mathematical calculations

C)It was the first planet located through a telescope.

D) It's located right after the asteroid belt.


Please help!!! i will give brainliest *If Right*​

Answers

Answer:

the answer is

B)It was the first planet located through mathematical calculations

The correct answer to the question is B) It was the first planet located through mathematical calculations. Neptune's discovery is unique because it was the first planet located through mathematical calculations, based on the gravitational effects observed in Uranus' orbit. This innovative approach was a monumental achievement in astronomy.

What is unique about Neptune's discovery? The unique aspect of Neptune's discovery lies in its method. Neptune was the first planet located not by direct observation but through mathematical calculations. This groundbreaking approach marks Neptune's discovery as a significant achievement in the field of astronomy.

The deviation in Uranus' orbit puzzled astronomers. This irregularity was attributed to the gravitational pull of an unknown planet, later identified as Neptune. Following these calculations, Neptune was discovered in 1846, right where it was predicted. This method of discovery, using the principles of gravitational theory and mathematical predictions rather than direct observation or accidental sighting, set Neptune apart from the discoveries of other planets.

if a substance cannot be separated physically or chemically it is?

Answers

Answer:

it would be an element as elements can not be broken down into something else

If the energies sound in the device is microphone what is the energy out

Answers

Answer:

Microphones are a type of transducer - a device which converts energy from one form to another. Microphones convert acoustical energy (sound waves) into electrical energy (the audio signal). Different types of microphone have different ways of converting energy but they all share one thing in common: The diaphragm.

Explanation:

PLZ HELP 150 POINTS AND BRAINLIEST

If effort is applied to the wheel, the axle turns with more _______.

If effort is applied to the axle, the wheel turns ______ and ______ than the axle.

The road wheel on a car multiply the _______ of the rear axle.

Applying a light force to turn the steering wheel of a car produces a strong force on the _________.

Answers

Answer:

A wheel and axle may either increase or decrease the input force, depending on whether the input force is applied to the axle or the wheel. ... Because the output force is less than the input force, the mechanical advantage is less than 1. However, the wheel turns over a greater distance, so it turns faster than the axle.

If you apply a force to the wheel (the handle), the wheel spins and multiplies the effort to make the output force of the axle (shaft) greater.

The drive shaft, which on most cars runs the length of the vehicle to the rear wheels, turns as the combustion engine burns gasoline. The turning drive shaft sends power to the rear axle and wheels, which cause them to turn as well, moving the car forward

There some moments when the steering wheel becomes stiff and hard to turn. From irregular servicing, lack of fluid oil to low tyre pressure or bad wheel alignment, any of these could be the cause

hope it helps plz Mark me brainliest :)

a 2.0 kg mass is lifted 4.0 m above the ground. find the change in gravitational energy

Answers

Answer:

78.4 J

Explanation:

Given:

Mass of the object (m) = 2.0 kg

Height or displacement of the mass (h) = 4.0 m

Now, change in gravitational potential energy (ΔU) = ?

Change in gravitational potential energy of an object is the energy stored by the object when it is raised to some height above the reference ground level.

Change in gravitational potential energy of an object of mass 'm' raised to a height 'h' above the ground is given as:

[tex]\Delta U=mgh[/tex]

Where, 'g' is the acceleration due to gravity and has a value of 9.8 m/s².

Now, plug in all the given values and solve for ΔU. This gives,

[tex]\Delta U=(2.0\ kg)(9.8\ m/s^2)(4.0\ m)\\\\\Delta U=78.4\ J[/tex]

Therefore, the change in gravitational potential energy is 78.4 J.

The change in gravitational energy when a 2.0 kg mass is lifted 4.0 m above the ground is [tex]\(78.4 \, \text{J}\)[/tex].

The change in gravitational potential energy [tex](\(\Delta U\))[/tex] when a mass \(m\) is lifted to a height [tex]\(h\)[/tex] is given by the formula:

[tex]\[\Delta U = m \times g \times h\][/tex]

where:

[tex]\(m\)[/tex] is the mass of the object (in kilograms),

[tex]\(g\)[/tex] is the acceleration due to gravity (approximately [tex]\(9.8 \, \text{m/s}^2\)[/tex] on Earth),

[tex]\(h\)[/tex] is the height above the ground (in meters).

Given:

[tex]\(m = 2.0 \, \text{kg}\)[/tex]

[tex]\(h = 4.0 \, \text{m}\)[/tex]

[tex]\(g \approx 9.8 \, \text{m/s}^2\)[/tex]

Plugging in the values:

[tex]\[\Delta U = 2.0 \, \text{kg} \times 9.8 \, \text{m/s}^2 \times 4.0 \, \text{m}\][/tex]

[tex]\[\Delta U = 78.4 \, \text{kg} \cdot \text{m}^2/\text{s}^2\][/tex]

Since [tex]\(1 \, \text{kg} \cdot \text{m}^2/\text{s}^2\)[/tex] is equivalent to [tex]\(1 \, \text{Joule}\) (J)[/tex], the change in gravitational potential energy is:

[tex]\[\Delta U = 78.4 \, \text{J}\][/tex]

Suppose you and a friend are standing at opposite ends of a gymnasium and one of you claps will the other person hear the clap at the same time she sees it happen explain why or why not

Answers

Answer:

she will not because when it bounces off that is when u hear it

Explanation:

Answer:

No. Your friend will not hear the clap when he/she sees it.

Explanation:

Think about the process of heating water, the heating and upward motion of hot steam and air, and the spiral spinning. For these events, list each form of energy associated with the heat source, the water, the steam and air, and the spiral.

Kinetic Energy Forms:
-Motion Energy
-Thermal Energy
-Electric Energy
-Vibrational Energy
-Radiant Energy

Potential Energy Forms:
-Gravitational Potential Energy
-Elastic Potential Energy
-Chemical Potential Energy
-Electric Potential Energy
-Magnetic Potential Energy
-Nuclear Potential Energy



Answers

Final answer:

The process involves various energy forms. The heat source equates to chemical potential energy, transitioning into thermal energy. The heated water and upward moving steam embody thermal energy, while the latter also impiles kinetic and gravitational potential energy.

Explanation:

In the process mentioned:

The heat source that is used to heat the water is displaying chemical potential energy, which undergoes transformation into thermal energy when the heat source is ignited.The hot water itself harnesses thermal energy, which is the energy related to the temperature and internal energy of the water system.Hot steam and air moving upwards is another instance of thermal energy, with the added element of kinetic energy due to the upward motion. The rise of heated air and steam can also be seen as a conversion of thermal energy into gravitational potential energy.The spiral spinning invokes kinetic energy, particularly rotational kinetic energy, to produce the spinning motion. This is a direct result of the interaction between the heated air (thermal energy) and the colder surrounding air.

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3. If 2 J of wok is done in raising a 180 g apple, how far is it lifted?

Answers

Answer:

1.13m

Explanation:

From the question, we obtained the following information:

W = 2J

m = 180g

We must convert this gram (i.e 180g) to kg

1000g = 1Kg

180g = 180/1000 = 0.18kg

g = 9.8m/s2

h =?

w = mgh

h = w / mg

h = 2 / ( 0.18x9.8)

h = 1.13m

Mercury, Venus, and Earth are the three planets closest to the Sun. The force of gravity on the surface of each planet is different. Which of the following places these three planets in order from greatest surface gravity to least?
A.
Mercury, Venus, Earth
B.
Earth, Venus, Mercury
C.
Earth, Mercury, Venus
D.
Venus, Earth, Mercury

Answers

B. Earth, Venus, Mercury

Answer:

B. Earth, Venus, Mercury

Explanation:

What is the amount of work done when a force of 10N moves a 20kg mass of 8 meters?

Answers

Yo sup??

we should know that

work done=force*displacement

W=F.s

F=10 N

s=8 m

therefore

W=10*8

=80 N

Hope this helps.

Final answer:

The work done when a 10 N force moves a 20 kg mass 8 meters is 80 Joules.

Explanation:

The work done can be calculated using the formula: Work = Force x Distance

Given that the Force is 10 N and the Distance is 8 meters, the work done is:

Work = 10 N x 8 m = 80 Joules.

What is the value of x in the equation Ix - 3y = 30, when y = 15?

Answers

Answer: x= 75

Explanation:1x -3y = 30

And y = 15

Substitute y accordingly into the equation, so that

x - 3(15) = 30

x-45=30

Add 45 to both sides if the equation

x-45+45=30+45

x=75

Write your question here (Keep it simple and clear to get the best answer)what is the dimensions of angular velocity

Answers

Answer:

The dimensions of angular velocity is [tex][T^{-1}][/tex]

Explanation:

We know that linear velocity is equal to the rate of change of linear displacement.

Similarly, in rotational motion, the analogous term for linear velocity is angular velocity.

Angular velocity is defined as the rate of change of angular displacement.

The angular displacement is the measure of the angle rotated by an object about a fixed point or the axis of rotation.

Therefore, the unit of angular displacement is measured in radians. We know that, the radian is a dimensionless quantity. So, its dimension is [tex][M^0L^0T^0][/tex]

Now, time is measured in seconds. So, dimension of time is [tex][M^0L^0T][/tex]

Therefore, the dimensions of angular velocity is given as:

[tex]Angular\ velocity =\frac{Angular\ displacement}{Time}\\\\Dimensions=\frac{[M^0L^0T^0]}{[M^0L^0T]}\\\\Dimensions =[T^{-1}][/tex]

Therefore, the dimensions of angular velocity is [tex][T^{-1}][/tex]

What is the force that holds protons together in the nucleus? (They should repel each other since they are positively charged)

Answers

The force is the strong nuclear force.

Explanation:

Every atom has a nucleus and various orbits surrounding it. The protons and neutrons are present in the nucleus while the electrons orbit around the nucleus. Protons are held together in the nucleus by the strong nuclear force. It is also called as the strong force. It holds together the subatomic particles within the nucleus. The nuclear force is the strongest of the four fundamental forces. Although it is the strongest, it can only act over short distances which are nuclear in length.

A 0.250 kg mass is attached to a spring with k=18.9 N/m. At the equilibrium position, it moves 2.89 m/s. What is the amplitude of the oscillation? (Unit=m)

Answers

Answer: the frequency of the oscillation is given by ω=√(k/m)=√(18.9/2.5)=2.75.  Keep in mind this is angular frequency, i.e. radians per second, not wavelengths per second.  So the displacement can be written in the form

y = R*sin(2.75*t - δ)

Here δ is just the time offset and for our purposes is pretty irrelevant.  You can in fact set it to zero since we can say we begin timing when the mass crosses equilibrium.  So

y = R*sin(2.75*t)

We want to find a way to use the information "At the equilibrium position, it moves 2.89 m/s."  I am going to use some calculus here since it makes things so much easier.  If you haven't taken calculus yet, most likely your course has given you a formula to use instead.

 We know y=0 when t=0, so y is at equilibrium when t=0.  To say it moves 2.89 m/s is then to say that

y'(0) = 2.89.

From here we can differentiate the displacement function, set t=0 and solve for R.  Using the chain rule:

y'(t) = 2.75*R*cos(2.75*t)

y'(0) = 2.75*R

2.75*R = 2.89

R = 1.051

Explanation: Since this is harmonic motion we can assume there is no damping force

Answer:

its .33

Explanation:

trust me

Simple Harmonic Motion
Assignment Acire
Analyzing the Motion of a Spring
At which point(s) is the net force the greatest?
At which points) is the net force zero?
muman

Answers

- The net force is greatest at the position of maximum displacement

- The net force is zero when at the equilibrium position

Explanation:

The motion of a spring is a Simple Harmonic Motion, in which the displacement of the end of the spring is given by a periodic function of the form

[tex]x=Asin (\omega t)[/tex]

where A is the amplitude (the maximum displacement), and [tex]\omega[/tex] the angular frequency of the motion.

We can analyze the net force acting on the spring by looking at Hooke's law:

[tex]F=kx[/tex]

where

F is the net force

k is the spring constant

x is the displacement

From the equation, we notice immediately that:

The net force is the greatest when the displacement x is the greates, so at the position in which the spring has maximum compression or stretchingThe net force is zero when the displacement x is zero, so when the spring crosses the equilibrium position

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Answer:

An illustration of a mass on a vertical spring with a transverse wave showing the position of the mass on the spring will make a transverse wave shape if bouncing up and down and moving horizontally. The shortest spring has the mass at the top of each crest and are labeled A and E respectively. The position where the mass in in the trough of the transverse wave would be labeled C and stretches the spring the farthest. The middle length springs has masses where the equilibrium of the material of the medium containing the transverse wave would be at the equilibrium of the material would be and are labeled B and D.

At which point(s) is the net force the greatest?

A,C, and E

At which point(s) is the net force zero?

B and D

Explanation:

Got it from engenuity

Explain why a reference points that are stationary are usually chosen to determine whether an object is in motion.

Answers

Answer: Stationary reference points are used to determine if a object is in motion because if the reference point is still,you will be able to see if the object is in motion. If you had a reference point that wasn't stationary, you wouldn't be able to tell if the object was in motion.

Explanation:

Stationary reference points are used to determine if a object is in motion because if the reference point is still,you will be able to see if the object is in motion. If you had a reference point that wasn't stationary, you wouldn't be able to tell if the object was in motion.

Final answer:

Choosing a stationary reference point is important to determine motion because motion is relative and can appear differently from different reference frames.

Explanation:

A stationary reference point is usually chosen to determine whether an object is in motion because motion is a relative term. When we observe motion from a reference point that is stationary, we can easily identify the displacement and velocity of the object. For example, if we are in a car that is moving at a constant velocity, it may be difficult to determine whether an object inside the car is moving or not. However, if we observe the same object from outside the car, from a stationary reference point, we can clearly see whether it is in motion or not.

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which of these changes does a submarine encounter as it returns from the bottom of the ocean to the surface of the ocean

Answers

Which changes?

Explanation:

What are your options?

If a particle with a charge of +4.3 × 10−18 C is attracted to another particle by a force of 6.5 × 10−8 N, what is the magnitude of the electric field at this location?

2.2 × 1026 NC
2.8 × 10−25 NC
1.5 × 1010 N/C
6.6 × 10−11 N/C

Answers

Answer: 1.5×10^10 N/C

Explanation:

E= F/q

Where E= magnitude of the electric field

F= force of attraction

q= charge of the given body

Given F= 6.5×10^-8 N

q= 4.3× 10^-18 C

Therefore, E = 6.5×10 ^-8/ 4.3×10^-18

E = 1.5×10^10 N/C

Answer:

1.5*10^10 N/C

Explanation:

The Force per Charge Ratio

Electric field strength is a vector quantity; it has both magnitude and direction. The magnitude of the electric field strength is defined in terms of how it is measured. Let's suppose that an electric charge can be denoted by the symbol Q. This electric charge creates an electric field; since Q is the source of the electric field, we will refer to it as the source charge. The strength of the source charge's electric field could be measured by any other charge placed somewhere in its surroundings. The charge that is used to measure the electric field strength is referred to as a test charge since it is used to test the field strength. The test charge has a quantity of charge denoted by the symbol q. When placed within the electric field, the test charge will experience an electric force - either attractive or repulsive. As is usually the case, this force will be denoted by the symbol F. The magnitude of the electric field is simply defined as the force per charge on the test charge.

ELECTRIC FIELD STRENGTH= FORCE/CHARGE

If the electric field strength is denoted by the symbol E, then the equation can be rewritten in symbolic form as

E=F/q

I got this from electric field intensity; physics classroom.

https://www.physicsclassroom.com/class/estatics/Lesson-4/Electric-Field-Intensity

and please no one should report me. was just trying to help. And I already got a warning. PLEASE!!! THANK YOU VERY MUCH.

and also this picture of me doing the test explains everything

.Hope I helped

Tishaura decides to do an experiment to determine which type of sock
absorbs the most sweat. Which of these describes her doing step two of the
inquiry process?

A. Tishaura asks herself which of the three types of socks in her
drawer seems to be the most absorbent.

B. Tishaura finds that all-cotton socks weigh 0.1 ounce more after
she runs in them.

C. Tishaura measures the weights of four different kinds of socks
before and after she goes running.

D. Tishaura predicts that all-cotton socks will absorb the most sweat,
because she thinks cotton is very absorbent.​

Answers

Answer:

D. Tishaura predicts that all-cotton socks will absorb the most sweat,  because she thinks cotton is very absorbent.​

Explanation:

The steps for scientific inquiry should be:

1. Observation

In this phase, you observe things that pique your interest and formulate a scientific question. This should be option A where Tishaura wonders which sock most absorbent.

2. Hypothesis.

The second step is making a hypothesis, educated guess about what the research result will be. This should be the option D, Tishaura expects that cotton sock absorbs more than others.

3. Experiment  

In the third step, you test the hypothesis by designing and doing an experiment. It will be option C.

4. Analysis of experimental results

Gathering the result and doing analysis to find out if the hypothesis true. Tishaura found that all-cotton sock weight more. This process will be option B  

5. Make a conclusion;

Determine whether you accept the hypothesis or not. There is no option that describes this process.

Step two of the inquiry process should be option D

Which of the following is an effect of increasing the wavelength of an
electromagnetic wave?

Answers

Effect of increasing the wavelength of an  electromagnetic wave

Explanation:

1.Wavelength = speed of light/frequency.

2.The frequency of an electromagnetic wave increases as wavelength decreases.

3.As wavelength decreases (and frequency increases) energy increases.

4.When frequency increases more wave crests pass a fixed point each second. That means the wavelength shortens. So, as frequency increases, wavelength decreases. The opposite is also true—as frequency decreases, wavelength increases.

Answer:

Energy decrease

Explanation:

While frequencies increase, energy increase

while wavelength increase, energy decrease

Study the scenario.

A box is initially at the top of a slide, storing 80 J of gravitational energy. The isolated system includes the box, slide and earth.

As the box slides down the frictionless slide, what happens to the total energy of the system?

a) The total energy of the system increases to more than 80 J of energy as it gains other forms of energy
b) The isolated system stores 80 J of total energy, but it is converted to a different form of energy.
c) The isolated system stores slightly less than 80 J of total energy, and it is converted to a different form of energy
d) The total energy of the isolated system decreases to 0 once the box reaches the bottom of the slide.

Answers

Answer:

b) The isolated system stores 80 J of total energy, but it is converted to a different form of energy.

Explanation:

The Law of Conservation of Energy states that in an isolated system the total energy always remains constant. In our context this means that the box's energy cannot disappear from the isolated system of the box, slide, and the earth.  Abiding the Law of Conservation of Energy, as the box slides down the friction-less table, its gravitational potential energy is converted into its kinetic energy.

Thus, in accord with the Law of Conservation of Energy, the energy of the system can neither decrease or increase, but is converted from one from to another. This rules of choices A, B, and C, leaving only choice B as correct.

If you need some help working through family problems, who would be the best choice to seek it from?

clinical psychologist
counseling psychologist
sociocultural psychologist
developmental psychologist

Answers

Answer:

counseling psychologist

Storms are caused by. I WILL MARK BRAINLIEST




A. radiation



B. convection



C. conduction



D. hurricanes

Answers

Answer:convection

Explanation:

Convection can cause convection

Answer:

conduction is the answer

Explanation:

24. a. Calculate the work needed to lift a 90-N
block of ice a vertical distance of 3 m. What
PE does it have?

Answers

Answer:

270J

Explanation:

Work = force x distance

Force =90N

Distance =3m

Work = 90 x 3

Work = 270J

P. E= 270J

I hope this was helpful, Please mark as brainliest= work / time

The work needed to lift the 90-N block of ice 3 m vertically is 270 J, and the block possesses 270 J of potential energy.

Work Done: To calculate the work done in lifting a 90-N block of ice 3 m vertically, you use the formula: Work = force x distance. So, Work = 90 N x 3 m = 270 J. The potential energy (PE) of the block at that height is equivalent to the work done, so the block has 270 J of potential energy.

What is the defenition of mass

Answers

Answer:

the total matter contained in a body is called mass

Anything that takes up space.

Sry I didn’t mean to comment

Johanna makes the table below to organize her notes about centripetal forces.

A 2 column table with 3 rows. The first column is labeled Circular Motion with entries a space station in orbit, a child in a swing, a ball on a string. The second column is labeled Centripetal Force with entries x, blank, blank.

Which type of force should she place in the cell marked X?

tension
gravity
friction
normal

Answer is gravity

Answers

Answer:

Gravity, or B should be placed in the Cell labeled “X”

Explanation:

2021, Edge

Gravity is the type of force should she place in the cell marked X.

What is meant by Gravity?Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun.Newton came up with the idea that some unseen force must attract the apple towards the Earth. He named this force “gravity”.

Gravity is the type of force should she place in the cell marked X.

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What is the mechanical energy of a 1-kg ball that is rolling on the ground at 2 m/s?

A) The Ball is on the ground, so the mechanical energy is zero

B) 1J

C) 2J

D) 4J
NEED ANSWER ASAP
I will mark the answer brainliest
I literally copied the quiz

Answers

Answer:

c. 2 J

Explanation:

since u just multply it

A force of 40 N is applied to a 6 kg box of books. If the frictional force acting on the box is 16 N, and the box was initially at rest, what is the velocity of the box 10 s later? What is the box’s displacement over the 10 s period?

Answers

The final velocity is 40 m/s. The box will undergo a displacement of 200 m over the period of 10 s.

Answer:

Explanation:

So the net force acting on the box of books will be the difference of normal force and frictional force acting on the box. As the normal force acting on the box is 40 N and the frictional force is 16 N, then the net force is

Net force = 40 N - 16 N = 24 N.

Also, the mass of the box is given as 6 kg. So as per second law of motion, the acceleration can be found by ratio of net force to mass of the object.

Acceleration of the box = Net force/Mass = 24/6=4 m/s².

Then velocity can be determined using the first equation of motion.

v = u + at =0 + (4× 10 s) = 40 m/s.

So the final velocity is 40 m/s.

Similarly, by using the second equation of motion,

s = ut +1/2 at²

s = (0×10)+(0.5×4×10×10)=200 m

And so, the box will undergo a displacement of 200 m over the period of 10 s.

Other Questions
Mary is comparing light potato chips to regular potato chips. What is the difference? a. The light potato chips are lower in weight. b. The light potato chips are lighter in texture. c. The light potato chips are lighter in color. d. The light potato chips have been cooked in olive oil. e. The light potato chips are lower in calories. The first figure is dilated to form the second figure.Which statement is true?The scale factor is 0.25.The scale factor is 4.The scale factor is 4.35.The scale factor is 7.25.A diamond with a side length of 5.8. An arrow points to a smaller diamond with a side length of 1.45 Which of the following parts of the nervous system would carry messages from ones sore knee to the brain and spinal cord to alert the person to stop running and rest? Explain how the media impacts on our values and beliefs about marriage both in a positive and negative way Bill says the equation 600 equals 1250 means 600 is four times as many as 50 Sarah says the equation means 650 more than 12 who do you agree with explain More polar solvents (eluents) move molecules more rapidly than less polar solvents. If you used a 1:1 hexanes:methanol mixture as solvent, would you expect the products to elute faster or slower? Based on your experiment, would a 1:1 hexanes:methanol mixture be a good choice as eluent? Explain why/why not Look at the following map. W hich letter shows the location of Islamiccaliphates during the postclassical era?A. B B. A C.E D. G Demographics refer to a. the psychological profile of prospective consumers. b. the depiction of a population according to its core values or cultural beliefs and their rate of change. c. the description of a population according to selected characteristics such as age, gender, ethnicity, income, and occupation. d. the density of a population in a geographic area. Solve please! 3(x+5)=9 Katrina had 2/3 of a gallon of ice cream she uses 1/6 gallon as a serving how many servings does she have explain by writing 2/3 as an equivalent fraction with a denominator of 6 and then writing the fraction as a multiple of 1/6 A company has a $20 million portfolio with a beta of 1.2. It would like to use futures contracts on a stock index to hedge its risk. The index futures is currently standing at 1080, and each contract is for delivery of $250 times the index. What is the hedge that minimizes risk? What should the company do if it wants to reduce the beta of the portfolio to 0.6? Point e is between points D and F. If DE = x-4, EF= 2x+5 and DF= 4x-8 find x Both circle A and circle B have a central angle measuring 50. The area of circle A's sector is 36 cm2, and the area of circle B's sector is 64 cm2. Which is the ratio of the radius of circle A to the radius of circle B?A)3/4B)3/7C)4/3D)5/7 What is the ratio of hydrogen atoms (HH) to oxygen atoms (OO) in 2 LL of water? Enter the simplest whole number ratio in order of hydrogen to oxygen, respectively. Express your answer as two integers, separated by a comma (e.g., 3,4). What is the square root of 81 How does the setting support Mrs. Mallard's new feelings about freedom? A.It is in the home where Mrs. Mallard feels safe. B.It is springtime, and the peddlers are selling their wares. C.It is in Mrs. Mallard's room where she sleeps and dreams. D.It is springtime when trees bloom and birds sing. 6. Evolution explains both the unity and diversity of life. Explain how evolution can account for both why anoles and finches share certain traits and also why they differ. [2 pts]6. Evolution explains both the unity and diversity of life. Explain how evolution can account for both why anoles and finches share certain traits and also why they differ. One the eight safety systems that failed was deemed to be ____________. Select one: a. political b. misinterpreted pressure tests to determine whether the well had been sealed c. the water temperature d. the weather temperature A total of $5500 was invested in two accounts. Part was invested in a CD at 2% annualinterest rate and part was invested in a money market fund at 3% annual interest rate. Ifthe total simple interest for one year was $250, then how much was invested in eachaccount? Given the reactions:2 X(s) + 2 H2O() 2 X+(aq) + 2 OH(aq) + H2(g)2 Y(s) + 2 H2O() 2 Y+(aq) + 2 OH(aq) + H2(g)The unknowns, X and Y, are most likelyA)metallic elements in the same groupB)metallic elements in the same periodC)nonmetallic elements in the same groupD)nonmetallic elements in the same period