問題詳情
32. A 50-kg boy runs up the stairs to the top of the 200-m tall 18 Peaks Mountain in 8minutes and 20 seconds. Which of the following values is closest to his averagepower output in horse power? (g = 10 m/s2 , 1 hp = 750 W)
(A)0.4
(B)0.3
(C) 2.0
(D) 10.0
(E) 50.0
參考答案
答案：B
難度：計算中-1
書單：沒有書單，新增