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A 3.8 kg object is lifted 12 meters. Approximately how much work is performed during the lifting? A. 588 J B. 45.6 J C. 446.9 J D. 372.4 J
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A 3.8 kg object is lifted 12 meters. Approximately how much work is performed during the lifting? A. 588 J B. 45.6 J C. 446.9 J D. 372.4 J

User VlatkoB
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2 Answers

6 votes

I just took the test and c. 446.9 J is correct

User TheRock
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To approximately measure the work performed during the lifting, you can use the following formula :
W = m.g.h , where m = mass, g = gravity, h = height

3.8 x 9.8 x 12 = 446.9 Joule , approximately
User Jan Erik Schlorf
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