Question

The work done by an engine in 1 hour is 5400 J. Calculate its power. *

20 W
1.5 W
20 J
15 J​

Answer 1

Answer:

15 j is the answer.

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Answer 2

Answer:

1.5W

Explanation:

WE HAVE,

WORK DONE = 5400J

TIME. =. 1HOUR

1hr. =. 60

60sec. =. 60×60

ie,. =. 3600 SECOND

WE KNOW THAT,

POWER= WORK DONE

————————

TIME

=. 5400J/ 3600SEC

=. 27/18

=. 9/6

=. 3/2

=. 1.5 W

HERE IS YOUR ANSWER