Question

A ball of mass 500 gm is thrown upward with a velocity of 10 m/s. The potential energy of the body at at maximum height is:

Answer 1

Answer:

Given m=0.5 kg;v=15 m/s

K.E=0.5mv

2

K.E=0.5×0.5×15×15=56.25J

This will be the kinetic energy when it is on the ground at which P.E is zero. Hence this is the total energy.

As energy is conserved at every point even at half-way point total energy would be 56.25 J.

Explanation:

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