Space Time & Motion A.3 Work Energy and Power (id: 1877fbda9)

本题目来源于试卷: Space Time & Motion A.3 Work Energy and Power，类别为 IB物理学

[单选题]
An object of mass $m$ with a speed of $3.0m{s}^{-1}$ collides horizontally with a stationary box of mass $2m$. After the collision, the object and the box move together.

The friction acting on the box and the object is $6.0N$.

Which expression gives total distance travelled by the combined objects before coming to rest after the collision?

A. $\frac{m}{16}$
B. $\frac{m}{12}$
C. $\frac{m}{8}$
D. $\frac{m}{4}$


参考答案:  D


本题详细解析:

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