The engine of a train produces a force of 3000N when moving at 30.ms-1. calculate the power of the engine
A
1.00 x 102W
B
3.00 x 104W
C
9.00 x 104W
D
3.00 x 105W
Verified Correct Answer: C.
Physical Principles & Numerical Solution
P = FV
= 3 x 103 x 30
= 9 x 104W
Source: Myschool Past Questions Archive (Record #34657)