Physics, 01.02.2020 23:43 chloegirl7994

What is the best description of the energy stored in a stretched or compressed object?
a)gravitational potential
b)potential energy
c)elastic potential
d)spring constant

Answers: 1

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Answer from: thedaisylopez3628

Elastic potential energy is the energy that is stored by the forces within a distorted elastic object

Answer from: chocolateFudge

C) elastic potential

Explanation:

A body possess potential energy by virtue of its position. It could be gravitational potential energy or elastic potential energy.

A body has gravitational potential energy due to its height above the surface of the Earth.

It is given by:

G.P.E. = m g h

where m is the mass, g is the acceleration due to gravity and h is the height.

A body has elastic potential energy when it is stretched or compressed. It is due to its elasticity which determined by spring constant.

It is given by:

$E.P.E = \frac{1}{2}kx^2$

where k is the spring constant and x is the extended or compressed length.

Answer from: Quest

Is a vector quantity that refers to "the rate at which an object changes its position." imagine a person moving rapidly - one step forward and one step back - always returning to the original starting position. while this might result in a frenzy of activity, it would result in a zero velocity. because the person always returns to the original position, the motion would never result in a change in position. since velocity is defined as the rate at which the position changes, this motion results in zero velocity. if a person in motion wishes to maximize their velocity, then that person must make every effort to maximize the amount that they are displaced from their original position. every step must go into moving that person further from where he or she started. for certain, the person should never change directions and begin to return to the starting position.

Answer from: Quest

when two balls of the different masses are dropped from equal height, they reach the ground at the same time .this is because they experience the same acceleration.

the acceleration is independent of mass.

thus when they are dropped they will always maintain the same velocity and travel the same distance (neglect air resistance of course) at the same time.

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What is the best description of the energy stored in a stretched or compressed object?
a)grav...