If Power of an engine is 60 kilowatt (kW) and a force of 2000 N is applied on it. With what velocity the engine will move?
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Answer:
Power=work/time
Work=F×S
Power=F×S/t
Power=F×v where v is the velocity as it is rate of change of displacement
40000=20000×v
v=40000/20000=2m/s.
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