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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
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Correct Answer: Option B
Explanation
P.E = K.E = mgh

= 50 x 10 x 2 = 1000J
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