Space Time & Motion A.2 Forces & Momentum (id: 5c7d9080a)

本题目来源于试卷: Space Time & Motion A.2 Forces & Momentum，类别为 IB物理学

[单选题]
A ball of mass 0.1kg moves horizontally with a speed 5.0$ms^{-2}$, hits a vertical wall and rebounds with speed of 3.0$ms^{-2}$ The graph records the variation of force with time t.


What is $F_{max}$?

A. 4N
B. 8N
C. 40N
D. 80N


参考答案:  D


本题详细解析:

微信扫一扫，分享更方便