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 equapp0qo36ei go;h, tk7 ol mass move at right anglefe(r83du*r-j5 ikls 8h ym4f us 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 tu 8fjfk5(-rus8 4i* ymledrh3he final direction of ball A and what are their two speeds? direction of ball A is  ----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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