本题目来源于试卷: Scientific Skills & Tools，类别为 IB物理学
[单选题]
An apple falls 5 m in height from a tree. It rebounds from the ground with a quarter of its striking speed. The apple is in contact with the ground for approximately 0.1$s$. What is an estimate of the magnitude of the average net force on the apple when it strikes the ground?
A. $10^0$N
B. $10^1$N
C. $10^2$N
D. $10^3$N
参考答案: B
本题详细解析:
| 
