gc textbook chapter 7 Linear Momentum (id: a11886e05)

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]
Two billiard balls of equal masnd25 ki(e:*vmannc7j 7yl ,gss move at right angg-wmdlibumqp7,y a ) bt2 856cles and meet at the origin of an xy coordinate system. Ball A is moving upward along the y axis at 2m/s and ball B is moving to the right along the x axis with speed 3.7m/s After the collision, assumed elastic, ball B is moving along the positive y axis (Fig. 7–37). What is the final direction of ball A and what are their two speeds? direction of ball A pa,utdb-q ml5g m 8)b i67c2ywis  ----待选择----x directionx direction v'$_A$ =    m/s v'$_B$ =    m/s

参考答案:
空格1: x direction  空格2: 3.7±2%  空格3: 2±2% 


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