The engine of a train produces a force of 3000N when moving at 30.ms-1. calculate the power of the engine
- 1.00 x 102W
- 3.00 x 104W
-
9.00 x 104W
- 3.00 x 105W
The correct answer is: C
Explanation
P = FV= 3 x 103 x 30
= 9 x 104W