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 100-kg football linebacker moving at 2.0 m/s tacklero9) u)lq.ozu s head-on an 80-kg halfbgqe je:h,0uftqg 1 *q/ack g1eq:/*ef,hqgtqj u0 running
3.1 m/s. Neglecting the effects due to digging in of cleats,
A. the linebacker will drive the halfback backward.
B. the halfback will drive the linebacker backward.
C. neither player will drive the other backward.
D. this is a simple example of an elastic collision.
参考答案: B
本题详细解析:
暂无
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