The engine of a train produces a force of 3000N... - WAEC Physics 2006 Question
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 option: c
P = FV
= 3 x 103 x 30
= 9 x 104W
= 3 x 103 x 30
= 9 x 104W
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