[tex]F_{max}=7N\cdot1.75=\boxed{12.25N}[/tex]
Hope this helps.
r3t40
For any object, the greater the force that's applied to it, the greater its ____ will be.
Answer:
For any object, the greater the force that's applied to it, the greater its acceleration will be.
Explanation:
The statement can be explained using Newton's second law of motion that states, "A net Force 'F' applied on a body produces acceleration 'a' in it which is directly proportion to the Force applied and inversely proportional to the mass of the object."
We can conclude:
F ∝ a
Answer:
The other guy is correct. Acceleration
Explanation:
how much hereditary information is contain in a human sex cell
Answer:
one-half the amount
Explanation:
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state the right hand rule of the direction of magnetic field in a conductor carrying current
Answer:
The right hand rule states that: to determine the direction of the magnetic force on a positive moving charge, ƒ, point the thumb of the right hand in the direction of v, the fingers in the direction of B, and a perpendicular to the palm points in the direction of F.
Explanation:
gooogle.......
what is the position of the earth when the sun rises to its lowest midday position in the sky in the northern hemisphere and the southern hemisphere?
Final answer:
The Earth's position when the Sun reaches its lowest midday position in the sky is during the winter solstice. In the northern hemisphere, this occurs on December 21 or 22, and in the southern hemisphere, it occurs on June 20 or 21, both being the result of the tilt of Earth's axis.
Explanation:
The position of the Earth when the Sun rises to its lowest midday position in the sky in the northern hemisphere occurs during the winter solstice, which takes place on December 21st or 22nd. At this time, the Earth's axis of rotation is tilted away from the Sun, resulting in the Sun rising the most south of east, setting the most south of west, and taking its lowest and shortest path across the sky. This results in the shortest day and the longest night of the year for the northern hemisphere.
In contrast, for the southern hemisphere, the situation is reversed. The lowest midday position of the Sun occurs around June 20th or 21st, during their winter solstice. In this case, the Earth's axis is tilted such that the southern hemisphere is pointed away from the Sun, and thus the Sun takes a low arc across the sky, resulting in short days and long nights for that hemisphere.
A burner on a stove produces which type of energy
Answer:
Thermal energy
Explanation:
A burner on a stove produces thermal energy
Answer:
Thermal energy
Explanation:
A burner on a stove produces thermal energy.
Hope this helps!
Feel free to ask if you have anymore questions!
An object rolls off a tabletop with a horizontal velocity v0x = 2.2 m/s. The table is at a height y0 = 0.65 m, above the floor. Use a coordinate system with its origin on the floor directly beneath the point where the object rolls off the table, its horizontal x-axis lying directly beneath the object’s trajectory, and its vertical y-axis pointing up.
Find the angle of impact, in degrees below the horizontal.
To find the angle of impact in degrees below the horizontal, use the equations of motion to find the time of flight and horizontal distance the object covered when it rolled off the table, then apply those values to the equation for determining the angle of impact.
Explanation:The subject at work here is Physics, more specifically the domain of kinematics. The angle of impact, in degrees below the horizontal, can be found using the equations of motion.
First, we'll need to find the projectile's time of flight using the equation: t = sqrt((2*y0)/g), where y0 = 0.65 m is the height of the table and g = 9.81 m/s² is acceleration due to gravity. This will give you the time.
Next, we can determine the horizontal distance covered by the object using the equation x = v0x * t, where v0x = 2.2 m/s is the initial horizontal velocity.
Finally, we can find the angle of impact using the equation θ = arctan((v*t)/x), where v is the initial vertical velocity (which should be zero as the object rolls off horizontally), t is the time of flight, and x is the horizontal distance. We finally convert the calculated angle from radians to degrees to get the answer.
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Please help!!!!!!!!!!!!!
Answer:the answer is d
Explanation:
a table with mass 23.5 kg sits on the ground what is the normal force on the table?
a-176 N
b-442 N
c-230 N
d-23.5 N
Answer:
C
Explanation:
There are two forces on the table: weight and normal force. Newton's second law:
∑F = ma
N - mg = 0
N = mg
N = (23.5 kg) (9.81 m/s²)
N = 230 N
The normal force on the table is 230N. The correct option is c.
What is a normal force?The normal force is the force acting on the object of mass m perpendicular to the contacting surface and the support.
Normal force N = mass x gravitational acceleration.
N =mg
Given is the mass of table ,m = 23.5 kg , then the normal force will be
N = 23.5 kg x 9.81 m/s²
N = 230.535N
Thus, the normal force is approximately 230N. The correct option is c.
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A theory is a ___.
A. Proposed explanation for an observation
B. Well-rested explanation for a broad set of observations.
C. Summary of the results of many observations.
D. Procedure used to test a proposed explanation.
A theory, in scientific terms, is a well-tested explanation for a broad set of observations. It is supported by a significant amount of evidence from various observations and experiments, and stands up to intense testing and scrutiny.
Explanation:A theory in the context of biology or other scientific fields is most accurately described as a well-tested explanation for a broad set of observations (Option B). It is not merely a proposed explanation for an observation (Option A), a summary of the results of many observations (Option C), or a procedure used to test a proposed explanation (Option D).
A theory is based on a substantial body of evidence gathered from many separate observations and experiments, and it holds up against rigorous testing and scrutiny. For instance, the theory of evolution explains a broad set of observations about the diversity and relatedness of life on Earth.
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A theory is a well-reasoned explanation for a broad set of observations that have been repeatedly tested and confirmed through rigorous scientific processes.
Explanation:A theory in scientific parlance can be best defined as a well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method and repeatedly tested and confirmed through observation and experimentation. To clarify, option B. 'Well-reasoned explanation for a broad set of observations.' is the most accurate definition of a theory. Theories are built not only upon isolated observations but moreover robust evidence. They form the backbone of scientific understanding and are not to be confused with a hypothesis which is indeed a proposed explanation and yet to be rigorously tested. While theories may offer a procedure for prediction or explanation, they themselves are not a procedure.
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A material that provides resistance to the flow of electric current is called a(an) (1 points)
Answer:
A Resistor.
Explanation:
Hope my answer has helped you and if not i'm sorry.
Fluids can flow and change shape to fit their containers. Which two states are
fluids?
Answer: the two states that are fluid are;-
#{1} liquid
#{2} gas
Explanation:
as we know that there are mainly three states of substance
but among them only two of them can fluid and takes the shape of the container that are liquid and gas
Liquids and gases are considered fluids because they flow and adapt to the shape of their containers. Solids do not exhibit this behavior. Hence, the correct answer is Option D.
Matter most commonly exists in four phases: solid, liquid, gas, and plasma. Each state has unique properties:
Solids have a definite shape and volume and resist shearing forces.Liquids have a definite volume but take the shape of their container.Gases have neither a definite shape nor volume and expand to fill their container.Plasmas also have neither a definite shape nor volume.Liquids and gases are considered fluids because they yield to shearing forces and can flow to adapt to the shape of their containers. Solids do not exhibit this behavior.
Therefore, the correct answer is Liquids and gases (Option D).
Complete question:-
Fluids can flow and change shape to fit their containers. Which two states are fluids?
A. Solids and plasmas
B. Gases and solids
C. Solids and liquids
D. Liquids and gases
you add 800 ml of water at 20c to 800 ml of water at 80c what is the most likely final temperature of the mixture ?
a. 100c
b. 60c
c. 25 c
d.50c
Answer:
d. 50 C
Explanation:
In this problem, we have to add 800 ml of water at 20 Celsius to 800 ml of water at 80 Celsius.
According to the 2nd law of thermodynamics, heat transfers from hot to cold temperature.
The quantity of both the different waters is equal so this makes it very easy. All we have to do is find the mean of both the temperatures:
Final temperature = (20 C + 80 C)/2
= 50 Celsius
Answer: D. 50 C
Explanation:
GUESS WHAT?? I'LL MAKE YOU BRAINLIEST! PLEASE ANSWER THIS QUICKLY!
Which of the following characteristics do all of the outer planets have in common?
A) They have many moons.
B) They are small and solid.
C) They rotate slowly and are large and solid.
D) They rotate quickly and are large and gaseous.
Answer:
The correct answer is actually D) They rotate quickly and are large and gaseous.
Think about the features of the outer planets.
I got this question wrong because of the previous user that answered this.
here is proof that my answer is correct:
A beam of monochromatic light (f = 5.09 ×1014 Hz)
has a wavelength of 589 nanometers in air. What
is the wavelength of this light in Lucite?
Answer:
393 nm
Explanation:
The index of refraction of lucite is:
n = 1.50
The speed of light in lucite is given by:
[tex]v=\frac{c}{n}=\frac{3\cdot 10^8 m/s}{1.50}=2\cdot 10^8 m/s[/tex]
where c is the speed of light in a vacuum.
The wavelength of the light in Lucite is given by
[tex]\lambda=\frac{v}{f}[/tex]
where
[tex]v=2\cdot 10^8 m/s[/tex] is the speed of light in Lucite
[tex]f=5.09\cdot 10^{14}Hz[/tex] is the frequency
Substituting,
[tex]\lambda=\frac{2\cdot 10^8 m/s}{5.09\cdot 10^{14} Hz}=3.93\cdot 10^{-7} m = 393 nm[/tex]
Final answer:
To find the wavelength of a monochromatic light in Lucite, the given wavelength in air is divided by the refractive index of Lucite. Using the provided frequency and original wavelength, we determine the wavelength of the light in Lucite is approximately 393.7 nm.
Explanation:
A student has asked about the wavelength of monochromatic light with a frequency of 5.09 × 1014 Hz and a wavelength of 589 nanometers in air, when it passes through Lucite. To solve for the wavelength of light in Lucite, it is important to understand that the speed of light in a material is slower than in a vacuum, which directly affects the wavelength of the light in that material. The refractive index of Lucite is approximately 1.496, and using the formula for refractive index, n = c/v (where c is the speed of light in vacuum and v is the speed of light in the material), and the relationship between speed, frequency, and wavelength (λ), v = λf, we can rearrange these to find the wavelength in Lucite. We start with the basic relation in vacuum, c = λ_0f, to find the original speed of light through air (which is approximately equal to c), and then apply the refractive index to find the new wavelength in Lucite: λ = λ_0 / n. Applying the given values, the wavelength in Lucite becomes 589 nm / 1.496, which equals approximately 393.7 nm.
Which best describes how fluids change as they travel through different portions of the convection currents? They change to solids at the outer portion of the convection currents. They change to solids at the inner portion of the convection currents. They become more dense at the outer portion of the convection currents. They become more dense at the inner portion of the convection currents
Answer:
Fluids become more dense at the inner portion of the convection currentsxplanation:
Fluids become more dense at the inner portion of the convection currents. This is driven by the cyclical pattern where warm, less dense fluid rises and cool, denser fluid sinks. Convection is a key mechanism of heat transfer seen in various natural phenomena.
Convection currents describe the movement caused by the variations in temperature and density within a fluid. **Differences in density** cause less dense, warm regions to rise while more dense, cool regions sink. This process creates a cyclical pattern known as convection. Specifically:
Warm fluid becomes less dense and rises towards the outer portion of the convection current.Cool fluid becomes denser and sinks towards the inner portion of the convection current.Therefore, the correct option is that fluids become more dense at the inner portion of the convection currents. This shows the fundamental principle of convection where heat transfer causes fluid motion, leading to the continuous rising of warm fluid and sinking of cool fluid.
A cold coke bottle is on the pan of a balance and is left open. What happens to its weight?
Answer:
It's weight would decrease over time.
Explanation:
The cold coke is going to stabilise in the room temperature. This causes the coke to heat up to room temperature. When the coke heats up, some molecules acquire enough kinetic energy that the evaporate. The evaporation of the molecules causes a decrease in weight.
Hope it helped!
Answer:
it's weight will decree over time
Explanation:
because the ice will tern to winter than it will evaporate
How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential?
A.
The kinetic energy increases.
B.
The kinetic energy decreases.
C.
The kinetic energy remains the same.
D.
The kinetic energy is always zero.
Answer:The kinetic energy will decrease.
Explanation:As potential energy increases kinetic energy will increase, as kinetic or potential energy decreases, the kinetic or potential energy will decrease
which represents one dimensional motion
a) two vectors that lie along the same line
b) any two vectors
c) one scalar and one vector
d) two scalars that go in opposite directions
One dimensional motion is represented by movement along a straight line. The best choice from the options provided is 'two vectors that lie along the same line', as the vectors portray both magnitude and direction of the motion.
Explanation:In context of physics, one dimensional motion is represented by movement along a straight line in one direction. The best representation of one dimensional motion from your options is 'a) two vectors that lie along the same line'. In this case, vectors represent both magnitude (amount of motion) and direction (in which way the motion is). If two vectors are lying along the same line, it indicates that the motion is taking place along one dimension (line), either in the same direction or in the opposite direction.
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An unbalanced force can cause an object to change its speed and/or
An unbalanced force can cause an object to change its speed and/or direction. This change in momentum is governed by Newton's second law of motion. Examples of such changes can be observed in phenomena like non-circular motion.
Explanation:An unbalanced force can cause an object to not only change its speed, but also its direction. This phenomenon is explained by Newton's second law, which describes force in terms of its ability to change momentum over time. A force, which can be understood as a push or a pull, always has a size and direction. If we apply a force to an object, the momentum of the object changes in the direction of this applied force.
A clear illustration of this principle can be found in nonuniform circular motion, where a particle can move in a circle and speed up, slow down, or change direction due to an external force. In other words, any change in velocity, meaning in speed or direction, requires an outside force according to Newton's first law, also known as the law of inertia.
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What frequency will you hear if a truck is driving toward you at 20 m/s sounding a horn of frequency 300 Hz. Assume the speed of sound to be 340 m/s.
Answer:
=319Hz
Explanation:
This question is on sound waves
General formulae;
Frequency of observer= f of source*[ (v of sound+ v of observer)/(v of sound-v of source)]
where f is frequency and v is velocity
Given;
Velocity of sound = 340m/s
frequency of source = 300 Hz
Velocity of observer=0m/s
Velocity of source/truck= 20m/s
Substitute values in the formulae;
Frequency of observer= 300× {(340+0)/(340-20)}
=300×{ 340/320}
=300×340/320
=318.75
=319Hz
_____ are formed where bumps from two surfaces come into contact ?
Answer:
the answer would be microwelds.
A boat is headed with a velocity of 18 meters/second toward the west with respect to the water in a river. If the river is flowing with a velocity of 2.5
meters/second in the same direction as the boat. What would be the magnitude of the boat's velocity?
A.
16.5 meters/second
B.
20.5 meters/second
c.
18 meters/second
D.
2 meters/second
E.
45 meters/second
Answer:
B
Explanation:
The boat's velocity relative to the earth = the boat's velocity relative to the river + the river's velocity relative to the earth
v = 18 m/s + 2.5 m/s
v = 20.5 m/s
Jason is a body builder. Despite being more fit, he weighs more than his brother Ryan, who is the same height. Which is a possible reason?
A.
Jason has more muscle mass than Ryan does.
B. Jason has more body fat than Ryan does.
c. Jason has more muscle mass and body fat than Ryan does
D. Jason has less body fat than Ryan does.
Answer: C. Jason has more muscle mass than Ryan
Explanation:
The chart shows data for four different moving objects.
Which shows the order of the objects' kinetic energies, from
least to greatest?
Object
Velocity (m/s)
w
Mass (kg)
10
18
14
30
W, Y, X, Z
Z, X, Y, W
W, Y, Z, X
X. Z. Y. W
30
Answer:
Explanation:
The formula for KE is KE = 1/2 m v^2
If they are all traveling at the same v (m/s) then the order of KE will be dependent on their masses.
10 < 14 < 18 < 30
30 has the most KE (see the formula) and 10 has the least KE
I've given you the answer. You will have to sort out WXYZ
A vector has an x-component
of -309 m and a y-component
of 187 m.
Find the magnitude of the
vector.
Explanation:
The magnitude of a vector v can be found using Pythagorean's theorem.
||v|| = √(vₓ² + vᵧ²)
||v|| = √((-309)² + (187)²)
||v|| ≈ 361
You can find the angle of a vector using trigonometry.
tan θ = vᵧ / vₓ
tan θ = 187 / -309
θ ≈ 149° or θ ≈ 329°
vₓ is negative and vᵧ is positive, so θ must be in the second quadrant. Therefore, θ ≈ 149°.
Answer:
2 answers. Pay attention
Explanation:
Acellus asks you to find Magnitude and vector. The questions are in separate answers. Type in 361 whenever it asks for Magnitude. When it asks for Vector type in 149.
Magnitude is 361
Vector is 149
A person walks 25.0° north of east for 3.10 km. How far due
north and how far due east would she have to walk to arrive at
the same location?
Explanation:
Use sine and cosine to find the vertical and horizontal components.
31.0 km × sin 25.0° = 13.1 km north
31.0 km × cos 25.0° = 28.1 km east
She would have to walk 13.1 km north and 28.1 km east.
Ben (55kg) is standing on very slippery ice when Junior (25kg) bumps into him. Junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. Find the speed of ben and junior as they move across the ice after the collision. Give the answer in m/s. describe the work you did to get the answer.
Answer:
2.5 m/s
Explanation:
The total momentum before and after the collision must be conserved.
Before the collision, the total momentum is just given by Junior's momentum, since Ben is at rest. So,
[tex]p_i = m_J u_J[/tex]
where
[tex]m_J = 25 kg[/tex] is Junior's mass
[tex]u_J = 8 m/s[/tex] is the Junior's initial velocity
So we find
[tex]p_i = (25 kg)(8 m/s)=200 kg m/s[/tex]
The final momentum will be equal to the initial momentum:
[tex]p_f = p_i[/tex]
and it can be written as
[tex]p_f = (m_B + m_J) v[/tex]
where
[tex]m_B = 55 kg[/tex] is Ben's mass
v is their final velocity
Solving for v,
[tex]v=\frac{p_f}{m_B + m_J}=\frac{200 kg m/s}{55 kg + 25 kg}=2.5 m/s[/tex]
Aristotle believed which of the following to be true?
1. Gravity is as important as religion.
2. earth is the center of the universe.
3. Everything can be scientifically explained.
4. The jet stream is why bodies fall differently.
Answer:
number 2
Explanation:
explain how waves, energy, and matter are related
Answer:
Mechanical waves need matter to transfer energy while electromagnetic waves do not. ... Waves change direction when they move from one material into another (matter) through the process of refraction. The wave will change direction when the speed of the wave changes.
According to de Broglie's hypothesis, matter is associated with matter waves. Any massive particle moving with a certain velocity can be represented as a superposition of waves whose maxima is the position of the particle.
Relation between waves, energy, and matter:The matter is a physical substance that occupies space and possesses rest mass and volume.Energy is the quantitative property of a material that is transferred from one object to another in order to perform work or to release heat.And Wave is the disturbance of one or more fields in such a way that field values oscillate repeatedly about a stable equilibrium.Waves need matter to travel through it. Energy is needed for a matter to change its state.Learn more about matter waves:
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What happens if a magnet is moved back and forth inside a coil of wire
A. The magnet becomes electrified
B. The coil becomes magnetized
C. The magnet loses its magnetism
D. The coil gains an electrical current
Answer:
I think it's d. The coil gains an electical current
Explanation: