What is the power of engine? 500N force gives 40 metre speed of car.
Answers
Answered by
3
The answer is 500*40=20000=20kW
This is because power is rate of change of energy
500N*40m/s
Understand the units
Answered by
5
Power =work/time
Or power=force×displacement/time
Or power=force ×velocity
Therefore,in this question
Power=500×40=20000Nm/s
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