本题目来源于试卷: Physics Unit7: Linear Momentum，类别为 通用国际物理
[单选题]
A 2.0-kg softball is b,b*w y*1 mh8wfoq7e/2r .fslyq:fqxpitched to you at 20 5py5 :mpyz sf:m/s. You hit the ball back along the same path, and at the same speed. If the bat was in contact with the ball for 0.1py: 5fzsm yp5:0 s, what is the magnitude of the average force the bat exerted?
A. zero
B. $40 \; N$
C. $400 \; N$
D. $800 \; N$
参考答案: D
本题详细解析:
暂无
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