Physics JAMB

An object of mass 20kg is released from a height of 10m above the ground level. The kinetic energy of the object just before it hits the ground is?

A. 200J
B. 4000J
C. 2000J
D. 500J

Correct Answer:

Option C – 2000J

Explanation

Kinetic Energy = mgh
= 20 x 10 x 10 J
= 2000J

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5 years ago

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