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A lawn mower engine running for 20 m i n does 4, 5 6 0, 0 0 0 J of work. What is the power output of the engine?
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5 votes
A lawn mower engine running for 20 m i n does 4, 5 6 0, 0 0 0 J of work. What is the power output of the engine?

User Andre Clements
by
5.2k points

1 Answer

5 votes

Answer:
3800\ W

Step-by-step explanation:

Given

Lawn mover running for
t=20\ min

and does
W=4560* 10^3\ J

We know Power is rate of work i.e.


P=\frac{\text{Work}}{\text{time}}


P=(4560* 10^3)/(20* 60)


P=3800\ W

Thus Power output is
3800\ W

User Vladimir Kondratyev
by
5.6k points
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