本题目来源于试卷: Momentum and Energy，类别为 美国物理杯赛(Physics Bowl)
[单选题]
10.50: An object of mass m is nz3eluq ;,s6g initially at re*s 4 8enl,5-w)mcfvzonwqcf l7pm 9 d:st. After this object is accelerated to a on*,vs wnle5 4f 7-:zcm q8wfpclm9)dspeed of $2.4\times\:10^8\:m/s$ , it collides with and sticks to a second object of mass m at rest. Immediately after
the collision, what is the common speed of the two masses (in unit of m/s)?
A. $2.25\times\:10^8$
B. $1.80\times\:10^8$
C. $1.66\times\:10^8$
D. $1.5\times\:10^8$
E. $1.20\times\:10^8$
参考答案: D
本题详细解析:
暂无
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