本题目来源于试卷: Physics Unit7: Linear Momentum，类别为 国际高中通用物理
[单选题]
A 2.0-kg softball is pitched to you at 20 e*56mkwptrx957gxt l m/s. vsu4 f 34*asw .lhn8ny You hit the ball back along the same path, and at the same speed. If the bat was in contact with the ball for 0.13w *4hna.ss4 y8 uvlfn0 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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