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 you at 2dtw ce8fjr1ruhb+7 x 7-u+s/v0 m/s. You hit the2h, n ywx.von4 ball back along the same path, and at the same speed. If the bat was in contact with the ball for 0.10 s, what is the magnitude of the avx o4n2.,ywnvh erage 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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