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50 J of work was performed in 20 seconds. How much power was used to do this task? A. 4 W B. 24.5 W C. 0.4 W D. 2.5 W
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50 J of work was performed in 20 seconds. How much power was used to do this task? A. 4 W B. 24.5 W C. 0.4 W D. 2.5 W

User Prachur
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2 Answers

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The Correct answer to this question for Penn Foster Students is: 2.5 W

User Hossein Yousefpour
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3 votes
Power(P) = Work / time (W/t)
P = 50/20 = 2.5 W
User Carlos Ricardo
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