Physics Unit8: Rotational Motion (id: 07e9bba1c)

admin

本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 Generic Physics

[单选题]
A 0.300-kg mass, attached to the end of a 0.750-m string, is whirled 7nx5kdr4s )ns0uw ev, ..etbm ac5yv+a-ui,4c6 ) liwyj2ejfcround in a smooth level table. If the maximum tension that the string can withstand is2ye6 jui,c -fj)4wlic 250 N, then what maximum linear speed can the mass have if the string is not to break?

A. 19.4 m/s
B. 22.4 m/s
C. 25.0 m/s
D. 32.7 m/s


参考答案:  C


本题详细解析: 暂无