A stone of mass 0.5kg is dropped from a height of 12m. Calculate its maximum kinetic energy. [g = 10ms-1]
A
3.0J
B
6.0J
C
30.0j
D
60.0J
Verified Correct Answer: D.
Physical Principles & Numerical Solution
K.E = P.E = mgh
= 0.5 x 10 x 12 = 60J
Source: Myschool Past Questions Archive (Record #35164)