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 small object with momentum 5r8g2- at5ewzf.0 kgm/s approaches head(dsepg :zzdsag k o83 -bn-)5z-on a large object at rest. The small object bounces straight back with a momentum of magnitude 4.0 kgm/s. What is the magnitude of tgsznek-sg): 5(od bzpd-8az 3he large object's momentum change?
A. 9.0 kgm/s
B. 5.0 kgm/s
C. 4.0 kgm/s
D. 1.0 kgm/s
参考答案: A
本题详细解析:
暂无
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