Physics, asked by kamaksha3835, 1 year ago

The engine of a train has to apply a force of 5000n to overcome friction to run at a uniform rate of 90 km/h .What is the power developed by the engine

Answers

Answered by goverdhangaur
4
given that
Force F = 5000 N
velocity v = 90km/h = 25 m/s
Power is given by
P = F. v
= 5000 N × 25 m/s
= 125000 W
= 125 kW
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