本题目来源于试卷: Physics Unit7: Linear Momentum,类别为 国际高中通用物理
[问答题]
A ball of mass 400 g moving toward the easfrf)1dayt 1+xsdi y. rnj*86 st with a speed of 3.7+jyiw+t4( jwd0 m/s collides head-on with a 200 g ball sitting at rest. The collision is perfectljd4 w(yi++jt wy elastic. (a) Determine the velocity of the first ball after the collision. (b) Determine the velocity of the second ball after the collision. (c) Is kinetic energy conserved in this collision?
参考答案: (a) 1.2 m/s toward the east
(b) 4.9 m/s toward the east
(c) Yes, it is an elastic collision.
本题详细解析:
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