本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 通用国际物理
[单选题]
A cable car at a ski reso8 jsr*/ihu :rm,)iwaw *ee j0lru rrssg*3: f9a+ -xouuz:pnw*r fn33v t carries skiers a distance of 6.8 km. The cable which moves the car is driven by a pulley with diameter 3.0 m. Assuming no slippage, how fast must the pulley rotate for the cable car to make the tf:nnrrgr*us 3z 3 -*vfosx3w pa9u u+:rip in 12 minutes?
A. $9.4 \; rpm$
B. $30 \; rpm$
C. $60 \; rpm$
D. $720 \; rpm$
参考答案: C
本题详细解析:
暂无
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