An object of mass 50kg is released from a height of 2m.Find the kinetic energy...
PHYSICS
JAMB 1994
An object of mass 50kg is released from a height of 2m.Find the kinetic energy just before it strikes the ground
- A. 250J
- B. 1000J
- C. 10 000J
- D. 100 000J
Correct Answer: B. 1000J
Explanation
P.E = K.E = mgh
= 50 x 10 x 2 = 1000J
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