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 is necessa.yn:7f:-hopmldi .0 wxzwx)c ry to keep a 1. 0 kg puck moving in akhguy0 lln:o a9/s22 md.e) 7znuzux0 circle of radiza2ykz 7n)e9 lnd g0/ush x:m20u uo.lus 0.5 m on a horizontal frictionless surface with 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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