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30 May, 00:07

A light bulb uses 2,000 J of energy in 1 min and 20 s. What is the power of the light bulb?

60 W

50 W

100 W

25 W

+4
Answers (1)
  1. 30 May, 01:43
    0
    Answer is 25 W.

    2,000 / 80 (1 min 20 sec) = 25
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