A lawnmower engine running for 20 min does 4,560,000 J of work. What is the...

cebollablogscd

cebollablogscd

Answered

2022-12-30

A lawnmower engine running for 20 min does 4,560,000 J of work. What is the power output of the engine?

Answer & Explanation

taulejadacnf

taulejadacnf

Expert

2022-12-31Added 10 answers

Energy per unit of time, commonly measured in joules per second, determines power (equivalent to watts). You might consider it to be the speed at which work is completed.
P=Wt
We are given W=4560000J and t=20min=1200s.
P=4560000J1200s
=3800W
Thus, the power output of the engine is 3800 watts.

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