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10 October, 06:45

A microwave is rated at 750 watts. How long will it take the microwave to do 5700 J of work on a cup of water? Assume 100% efficiency.

A)

0.13s

B)

2s

C)

7.6s

D)

4,275,000 s

+1
Answers (1)
  1. 10 October, 06:53
    0
    I think the answer is B
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