the engine of a train has to apply a force of 5000 Newton to overcome friction to run at a uniform rate of 90 km per hour what is the power developed by the engine.
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Answered by
22
Given in that
Force F = 5000 N
velocity v = 90 km/h = 25 m/s
Power is given by
P = F.v
= 5000 N × 25 m/s
= 125000 W
= 125 kW
Force F = 5000 N
velocity v = 90 km/h = 25 m/s
Power is given by
P = F.v
= 5000 N × 25 m/s
= 125000 W
= 125 kW
Answered by
9
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