一位同学用20s，从一楼走到三楼，他上楼时的功率可能是_刷题宝

题干

一位同学用20s，从一楼走到三楼，他上楼时的功率可能是（）

A：1.5W

B：15W

C：150W

D：1500W

上一题下一题 0.0难度选择题更新时间:2018-12-04 10:40:04

答案(点此获取答案解析）

C

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