Physics Unit6: Work and Energy (id: 6f81082ba)

本题目来源于试卷: Physics Unit6: Work and Energy，类别为 国际高中通用物理

[单选题]
At what rate is a 60.0-kg6jpz,f fwf3l 4v1ea )k ,v f/*00ofxuwsl bf;h r;5rxxboy using energy when he runs up a flight of stairs 10.0-m high, l ff0bs/5rwux0 *xo ;v x,;rhfin
8.00 s?

A. $75.0 \; W$
B. $735 \; W$
C. $4.80 \; kW$
D. $48 \; W$


参考答案:  B


本题详细解析: 暂无

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