本题目来源于试卷: Impulse and momentum，类别为 美国物理杯赛(Physics Bowl)
[单选题]
98.26: A ball with a mass of 0.50 kgg y.+e *zj/f:qmajv q( and a speed of 7bt. vd6cp4 zk6.0 m/s collides perpendicularly with a wall and bounces ofp64. dck7zvtbf with a speed of 4.0 m/s in the opposite direction. What is the magnitude of the impulse acting on the ball?
A. 13 J
B. 1.0 N s
C. 5.0 N s
D. 2.0 m/s
E. 10 m/s
参考答案: C
本题详细解析:
暂无
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