A body is pulled over a distance of 500m by a force of 20...
A body is pulled over a distance of 500m by a force of 20N. If the power developed is o.4 kW, calculate the time interval during which the force is applied
0.2s
2.5s
25.0s
250.0s
Correct answer is C
t = fsp=20×5000.4×1000=25s
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