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 pitched to y.5gic x2giv 6lou at 2y. 0lmc,w uz2:qjfdmf4utv 520 m/s. You hit the ball back along the same path, and at the same speed. If the bat was in contact 5.fjutu f2ydzl0c m,m 4:2qvw with the ball for 0.10 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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