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
Verified Correct Answer: B.
Physical Principles & Numerical Solution
P.E = K.E = mgh
= 50 x 10 x 2 = 1000J
Source: Myschool Past Questions Archive (Record #27866)