A net force f is required to give an object with mass m an acceleration
a. if a net force 6f is applied to an object with mass 2m. what is the acceleration in this object

Answer:

Comparative investigations provide large amounts of information and use a wide range of variables. However, they may reveal relationships that do not always indicate cause and effect.

Explanation:

i took the test

Answer: The correct answer is "The domains in a temporary magnet easily lose alignment, but the domains in a permanent magnet keep their alignment".

Explanation:

Permanent magnet: Bar magnet is the example of the permanent magnet.

The poles of the temporary magnet can not be changed. The strength of the magnetic field can not be increased or decreased. The domains of the permanent are permanent aligned.

Temporary magnet: Electromagnet is the example of the temporary magnet.

The poles of the temporary magnet can be changed. The strength of the magnetic field can be increased or decreased. If the current will not flow in the electromagnet then it will easily loose its magnetism. The domains in a temporary magnet easily loose alignment.

Therefore, the correct difference between a permanent and a temporary magnet is "The domains in a temporary magnet easily lose alignment, but the domains in a permanent magnet keep their alignment".

Answer:  There are many possible elements, and they are all in the same vertical column as bromine

Explanation: All the elements in the same vertical columns or same groups have similar chemical properties due to the presence of similar valence shell configurations but have different masses as the number of protons and neutrons keep on increasing on moving down the group.

All the halogens (members of fluorine group) are short of one electron each to attain their stable noble gas configuration and hence behave similarly.

[tex][X]:ns^2np^5[/tex]

The elements present in the same horizontal row or same period differ in the chemical properties as they have different valence shell configurations.

The option which best describes the student's opinion is that

there are many possible elements, and they are all in the same

vertical column as bromine.

A group in the periodic table is the vertical section which

contains elements of the same number of valence electrons and

similar chemical properties.

Bromine for example belong to group 17 which contains other

elements such as:

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The gravitational force between the balls will be 2.6 × 10⁻¹⁰ N. The correct option is C.

In mechanics, gravity—also known as gravitation—is the constant force of attraction that pulls all things together.

According to newton's law of gravitation, the force between the bodies is directly proportional to the product of the masses and inversely proportional to the distance between them.

Given that a baseball has a mass of 0.145 kilograms, and a bowling ball has a mass of 6.8 kilograms.

The formula for Newton's Law of Gravitation can be used.

Fg = (Gm₁m₂)/r²

Where gravitational constant = G = 6.674 x 10⁻¹¹ N · m²/kg²

mass m₁ = 0.145 kg

mass m₂ = 6.8 kg

distance between centers of masses = r = 0.5 m

Substitute the values in the formula below:-

Fg = (Gm₁m₂)/r²

Fg = ((6.674 x 10⁻¹¹)(0.145)(6.8)) / (0.5)²

Fg = 2.63 x 10⁻¹⁰ N

Therefore, the gravitational force between the balls will be 2.6 × 10⁻¹⁰ N. The correct option is C.

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Answer:

readily accept electron flow."

Explanation:

As we know that electric current is defined as rate of flow of electric charge which is basically due to flow of electrons

So here we can say that

[tex]i = \frac{dq}{dt}[/tex]

now we know that conductors are defined as good conductors when they do not resist the flow of charge

which means a good conductor will easily conduct the electric current through it.

So here correct answer will be

readily accept electron flow."

The baseball player's acceleration, considering the coefficient of kinetic friction and his mass, is roughly -4.5 m/s². The negative sign indicates a deceleration due to friction.

This is a problem involving Physics, specifically the concept of friction and acceleration. Here, we have a baseball player, with a mass of 55 kg, sliding into third base. The coefficient of kinetic friction between the player and the ground is stated to be 0.46. We'll use these values to calculate the player's acceleration.

The equation representing the force due to friction (Ff) is μmg, where μ is the coefficient of friction, m is mass and g is gravity (9.8 m/s²). Here, we insert the given values and find Ff to be approximately 247.34 N. Since Ff = ma (force is mass times acceleration), we can find the acceleration by rearranging to a = Ff/m. Inserting our values, we find the acceleration to be approximately -4.5 m/s².

The negative sign denotes that this is a deceleration force, as expected since the friction slows down the player.

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The acceleration of gravity on the surface of a planet can be calculated using the mass and the radius of the planet. In this case, the question asks for the acceleration of gravity on Jupiter's surface, given the mass and radius of a moon on Jupiter relative to the earth. A formula is provided to calculate the acceleration of gravity on Jupiter's surface using the known mass and radius of the earth.

The acceleration of gravity on the surface of a planet is directly proportional to its mass and inversely proportional to the square of its radius. In this case, the moon on Jupiter has 1/8 the mass of the earth and 1/2 the radius. Therefore, the acceleration of gravity on Jupiter's surface can be calculated as follows:

Acceleration of gravity on Jupiter's surface = (Mass of Jupiter) / (Radius of Jupiter)^2

Since the mass of the moon is 1/8 the mass of the earth and the radius is 1/2 the radius of the earth, we can substitute these values into the equation:

Acceleration of gravity on Jupiter's surface = (1/8 * Mass of Earth) / (1/2 * Radius of Earth)^2

Simplifying the equation gives:

Acceleration of gravity on Jupiter's surface = (1/8 * Mass of Earth) / (1/4 * Radius of Earth)^2

Assuming the mass and radius of the earth are known, you can substitute the values and calculate the acceleration of gravity on Jupiter's surface.

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The motion of the ball after it leaves your hand is mentioned below -

We have the following statement -

" Neglecting air resistance, once a tossed ball leaves your hand ".

We have to predict the further motion of the ball.

Air resistance describes the forces that are in opposition to the relative motion of an object as it passes through the air.

According to the question -

After the ball leaves the hand, the following things will happen -

Hence, the complete motion of the ball is predicted.

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Answer: C Tectonic Plates

Explanation:

Answer:

C. Tectonic plates.

Explanation:

The series given in the question is mantle...convection...volcano...cooling...crust..motion and then tectonic plate is next.

here the process started in mantle where hot lava was moving and due to convection, this molten lava came on the the surface in the form of volcano and cooled down and rocky crust was formed and the moving crust is known as tectonic plates.

Answer:

crankshaft

Explanation:

it is the CRANKSHAFT because this is what goes around

If a  giraffe trots 3.40 km due north , then 2.60 km due west, then the magnitude of the displacement would be 4.28 kilometers .

An object's position changes if it moves in relation to a reference frame, such as when a passenger moves to the back of an airplane or a professor moves to the right in relation to a whiteboard. Displacement describes this shift in location .

As given in the problem if a giraffe trots 3.40 km due north, then 2.60 km due west , then we have to find out the magnitude of the displacement,

The magnitude of the displacement of the giraffe = √ ( 3.40² + 2.60² )

                                                                                   = 4.28

Thus , the magnitude of the displacement of the giraffe would be 4.28 kilometers .

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When you push a 1.90-kg book resting on a tabletop with a force of 2.10 N, the coefficient of static friction between the book and the tabletop is 0.11.  

A) When the book is resting on a tabletop and then is pushed with a force of 2.10 N, we have:

[tex] F - F_{\mu_{s}} = ma [/tex]   (1)

Where:

F: is the applied force = 2.10 N

[tex]F_{\mu_{s}}[/tex]: is the force due to the coefficient of static friction = [tex]\mu_{s}N[/tex]  

m: is the mass of the book = 1.90 kg

a: is the acceleration

N: is the normal force = mg

g: is the acceleration due to gravity = 9.81 m/s²

[tex] \mu_{s}[/tex]: is the coefficient of static friction =?

Since the book is at rest, the acceleration is zero, so equation (1) is:

[tex] F - F_{\mu_{s}} = 0 [/tex]    

[tex] F - \mu_{s}N = 0 [/tex]    

[tex] F - \mu_{s}mg = 0 [/tex]    

Solving the above equation for [tex]\mu_{s}[/tex] we have:

[tex] 2.10 N - \mu_{s}*1.90 kg*9.81 m/s^{2} = 0 [/tex]    

[tex] \mu_{s} = \frac{2.10 N}{1.90 kg*9.81 m/s^{2}} = 0.11 [/tex]

Therefore, the coefficient of static friction is 0.11.

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I hope it helps you!

In regards to basic motion, the total energy is simply the sum of potential energy and kinetic energy. Potential energy is dependent with position.

Going up:

Potential energy increases, Kinetic energy decreases, Total energy is constant

Going down:

Potential energy decreases, Kinetic energy increases, Total energy is constant

It's actually 175 J for the answered you got from ingenuity so i hope this helps

Answer:

B. The time for both of the balls to reach the ground was the same.

Explanation:

Galileo showed that objects fall at the same time regardless of their weight, it is a matter of their resistance to air that arrives or not before. In a system where there is no air and therefore no friction, the objects fall at the same time and that has been demonstrated many times.

In physics, the variable p predominantly represents linear momentum of a particle, defined as p = mv. It also stands for pressure (P) in thermodynamics and the density of charge (rho) in contexts involving electricity and magnetism. Additionally, it signifies a constant pressure condition when measuring specific heat.

The variable p in physics stands for several concepts depending on the context in which it's used. Primarily, p denotes linear momentum of a particle, defined by the equation p = mv, where m is the mass of the particle, and v is its velocity. The choice of the letter p for momentum is historically attributed to the Latin word "impetus." In the realm of thermodynamics and statistical physics, P represents pressure, an intensive variable indicating the force per unit area applied in a direction perpendicular to the surface of an object. Notably, in the context of relativity, the term p also refers to a component of the four-momentum, indicative of how the total energy and momentum of a particle remain constant across different frames of reference.

Another important distinction is the use of p (rho) to represent the density of charge, expressed in coulombs per cubic meter. Additionally, in thermodynamics, the subscript p is used to denote processes that occur at constant pressure, particularly in the method used for measuring the specific heat of solids and liquids. Understanding the application of p in these different contexts requires acknowledgment of the diversity and depth within the field of physics, highlighting its role as a fundamental variable across various domains.

Answer: B. Erin

Explanation: She is the closest to 121 with 124 which is the most accurate.

I know this question is from 2017 but I am doing this for anyone else that is looking for a answer. The answer should be C.) Allowed psychology to be considered a science.

The final temperature of the horseshoe-water system can be found by setting the equation of heat lost by the horseshoe equal to the equation of heat gained by the water and solving for the common final temperature.

To solve this problem, we need to use the principle of conservation of energy, which states that total energy before and after the heat transfer should be equal. So, the heat lost by the horseshoe should equal the heat gained by the water.
Heat lost by the horseshoe = mass * specific heat * change in temperature = 1540g * 0.4494 J/g°C * (1445 - x)°C = 1540(0.4494)(1445 - x) J, where 'x' is the final temperature.

Since the water absorbs 947000 J from the horseshoe, this value is the heat gained by the water = mass * specific heat * change in temperature = 4280g * 4.184 J/g°C * (x - 23.1)°C = 4280(4.184)(x - 23.1) J

By setting the two equations above equal to each other (since the heat lost by the horseshoe equals the heat gained by the water), we find: 1540(0.4494)(1445 - x) = 4280(4.184)(x - 23.1)

Solving this equation will give us the final temperature 'x' for the horseshoe-water system after mixing.

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Light waves entering the eye first pass through the cornea, then through the pupil, and finally through the lens, before being focused onto the retina.

As light waves enter the eye, they pass through three main structures before reaching the retina where they are detected by photoreceptor cells. The first structure light encounters is the cornea, which is a transparent layer at the front of the eye. After the cornea, light travels through the pupil, which is the opening in the center of the iris that can adjust in size to control the amount of light entering the eye. Finally, light passes through the lens, which focuses the light waves onto the retina. The cornea and the lens are responsible for most of the eye's refractive power, ensuring images are sharply focused.

For D) you just take the number if g 145 and the acceleration of gravity 9.80665. You should of got 145 × 9.80665 = 14.5 ---