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 cartons from the sidewalk, 46nadyqia 0 (nsl ayw/9+ +gfoa 29rwb2 jv6(py ggij5slong a 10-meter ramp to a loading dock, which is 1.5 meters abov jgv2s 2rb65yigw 9p(je the sidewalk. If each carton has a mass of 25 kg, what is the total work 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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