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

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