The engine of a train produces a force of 3000N when moving at 30.ms -1...
MATHEMATICS
WAEC 2006
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
Correct Answer: C. 9.00 x 104W
Explanation
P = FV
= 3 x 103 x 30
= 9 x 104W
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