Physics Unit7: Linear Momentum (id: 509694b0a)

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 a-,lz;. vcnnfu t 20 m/s. 8v( kfxr2:wdj You hit the ball back along the same path, and at the same speed. If the bat was in contact with the ball for 0.10 s, what is the magnitudr:jf( vxw 2kd8e 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

微信扫一扫，分享更方便