Work Energy and Power (id: 50f2eeba3)

本题目来源于试卷: Work Energy and Power，类别为 美国物理杯赛(Physics Bowl)

[单选题]
06.09: A deliveryman moves 10 caryjvkky 4ik*u0-ny:idmb2j : .u sa 3:wb8iuj8*y 7 awy,z; awdd:k2ajtons from the sidewalk, along a 10-meter ramp to a loading dock, which is 1.5 meters above the sidewalk. If each carton has a mass of 25 kg, what is the total wad7:sjy2u yw,wdbz8;waa: * k ja8i3 uork done by the deliveryman on the cartons to move them to the loading dock?

A. 2500J
B. 3750J
C. 10000J
D. 25000J
E. 37500J


参考答案:  B


本题详细解析: 暂无

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