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Sitting on the table the stone has potential energy, relative to the ground, of weight times height, mgh. It has zero kinetic energy so its total energy is E = 0 + mgh. When it begins falling it loses potential energy (as it loses height) and gains kinetic energy ( as it picks up speed) so the sum stays the same as initially E = KE + PE = mgh. Just before it hits the ground all of its potential energy is gone and has been transformed into kinetic energy. So the kinetic energy at the bottom (1/2)mv^2 will equal the potential energy at the top.

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14y ago
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14y ago

At first, kinetic energy (energy of movement). Once the stone hits the ground, most of the kinetic energy will usually be converted to heat.

At first, kinetic energy (energy of movement). Once the stone hits the ground, most of the kinetic energy will usually be converted to heat.

At first, kinetic energy (energy of movement). Once the stone hits the ground, most of the kinetic energy will usually be converted to heat.

At first, kinetic energy (energy of movement). Once the stone hits the ground, most of the kinetic energy will usually be converted to heat.

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14y ago

At first, kinetic energy (energy of movement). Once the stone hits the ground, most of the kinetic energy will usually be converted to heat.

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13y ago

Kinetic.

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Johanna Nakashimba

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1y ago

[object Object]

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Q: Describe a stone falling off the tabletop in terms of both kinetic energy and potential energy?
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Describe a stone falling off a tabletop in terms of both kinetic energy and potential energy?

Sitting on the table the stone has potential energy, relative to the ground, of weight times height, mgh. It has zero kinetic energy so its total energy is E = 0 + mgh. When it begins falling it loses potential energy (as it loses height) and gains kinetic energy ( as it picks up speed) so the sum stays the same as initially E = KE + PE = mgh. Just before it hits the ground all of its potential energy is gone and has been transformed into kinetic energy. So the kinetic energy at the bottom (1/2)mv^2 will equal the potential energy at the top.


Is a falling ball potential or kinetic energy?

it is kinetic because it involves releasing the energy.


A boulder falling through the air has what type of energy?

a boulder falling through the air still has some potential energy, but some of its potential energy has changed to kinetic energy...so it has both potential and kinetic!


What type of energy does a falling water?

potential and kinetic


What has both kinetic and potential energy?

A falling object.


What has potntial energy that changes to kinetic?

A falling object changes from gravitational potential to kinetic.


What is the energy in an object about to fall?

the energy in an object about to fall is potential energy then kinetic energy because when the object is not falling, it has potential energy but when it's actually falling, it has kinetic energy.


Mechanical energy is a term that is used to describe potential or kinetic energ y?

both potential and kinetic energy


What is an example of how potential energy can transform into kinetic energy?

A rock falling of a cliff.


What is an example of gravitational potential energy tranforming in kinetic energy?

A falling stone.


The sumof the kinetic and potential energies of a freely falling body is?

If the body is freely falling, this sum will remain constant.


Elastic energy is the total potential and kinetic energy in a system?

No. For example a falling stone is converting potential energy of gravitational attraction into kinetic energy, and there is no elastic energy.