本题目来源于试卷: Physics Unit5: Circular Motion & Gravitation，类别为 通用国际物理
[单选题]
A car is negotiating a flat curve of eu+bwso)e. r )-rwxa2radius 50 m with a speed of 20 m/s. The cen)rrb w-ue 2e+wxa.os)*s3s;j4r5 fhn u5kufe2 qp qv,tripetal force provided by frictio25 v3fqs h;ue,qr4 u5*f knpsjn is $1.2 \times 10^{4} \; N$. What is the mass of the car?
A. $500 \; kg$
B. $1000 \; kg$
C. $1500 \; kg$
D. $2000 \; kg$
参考答案: C
本题详细解析:
暂无
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