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: Option B
Explanation
P.E = K.E = mgh
= 50 x 10 x 2 = 1000J
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