A motor is rated at 1200 W. When it is working at full capacity, how much time does it take to do. (a) 500 J of work? (b) 1000 J? (c) 2000 J?
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p=w/time.
time=1200/500
=2.4 sec
similarly 1200/1000
=1.2sec
2000/500
=4sec
time=1200/500
=2.4 sec
similarly 1200/1000
=1.2sec
2000/500
=4sec
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