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2 answers:
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Explanation:
Power is defined as the rate at which work is done in per unit time.
Mathematically,
It is given that work done by engine is 4,560,000 J and time is 20 minutes.
There is 60 seconds in 1 minute. So, convert minutes into seconds as follows.
= 1200 seconds
Calculate power output of the engine as follows.
=
= 3800 J/s
or, = 3800 Watt
Therefore, the power output of the engine is 3800 Watt.