本题目来源于试卷: Circular Motion，类别为 美国物理杯赛(Physics Bowl)
[单选题]
07.19: What net force im)jj 9(xgm 9k16vuwyl pj6m u0s ne o3;+v kc9/ndo0(vatb.ltmi0.l8 xitthc- uycessary to keep a 1. 0 kg puck moving in a circle of radius 0.5 m on a horizontal frictionless surface wtlia iodh-0tv ub0kotv3x l .8.9;c+(tymc/nith a speed of 2.0 m/s?
A. $0N$
B. $2.0N$
C. $4.0N$
D. $8.0N$
E. $16N$
参考答案: D
本题详细解析:
暂无
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