gc textbook chapter 7 Linear Momentum (id: de7b1406c)

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 softball of mass 0.220 kgu + 0i0 v3gew7bqffwk8 that is j*mwp g s6ig;n 9:roi:moving with a speed of 8.5m/s collides head-on and elastically with another ball initially at rest. Afterward the incoming softball bo p:i;i sg*jonwmg6:9runces backward with a speed of 3.7m/s Calculate
(a) the velocity of the target ball after the collision    m/s
(b) the mass of the target ball.    kg
(Let A represent the moving softball, and let B represent the ball initially at rest.)

参考答案:
空格1: 4.8±2%  空格2: 0.56±2% 


本题详细解析:

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