Question

A ball of mass 1.2 kg is dropped from a height of 30 m. As it falls, 25% of its initial gravitational
potential energy is transferred to thermal energy.
What is the kinetic energy of the ball just before it hits the ground?

Answer 1

Answer:

the answer is 270J

Explanation:

G.P.E=mgh

1.2*30*10=360J

360-25% of 360=270J

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