gc textbook chapter 7 Linear Momentum (id: b020154eb)

本题目来源于试卷: gc textbook chapter 7 Linear Momentum，类别为 通用国际物理

[填空题]
A 0.060-kg tennis ball, ;l-g9pq :exwr moving wit qi13tf5qx9xxu kn..-6zb lx u 0-hprrh a speed of 2.5m/s collides head-on with a 0.090-kg ball initially moving away from it at a speed of 1.15m/s Assuming a perfectly elastic collision, what are the speed and direction of each ball afteq36bz fnrruu -x0hlk5x9x.t-pq1x . i r the collision?(Let A represent the 0.060-kg tennis ball, and let B represent the 0.090-kg ball.)v'$_A$ =    m/s v'$_B$ =    m/s

参考答案:
空格1: 0.88±2%  空格2: 2.23±2% 


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