WAEC - Physics (2006 - No. 17)
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
Explanation
P = FV
= 3 x 103 x 30
= 9 x 104W
= 3 x 103 x 30
= 9 x 104W
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