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Two billiard balls of equal mass move at right angles and
meet at the origin of an zy coordinate system. Ball A is
moving upward along the y axis at vA = 3.0 m/s, and
ball B is moving to the right along the z axis with speed
VB = 5.8 m/s. After the collision, assumed elastic, ball
B is moving along the positive y axis(Figure 1).
Figure
1 of 1
+y
0.
Copyright 2021 Pearson Education In

Constants
What is the final direction of ball A?
Express your answer using two significant figures.
ΑΣφ
clockwise from the +y-direction
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Part B
What are their two speeds?
Express your answers using two significant figures. Enter your answers numerically separated by
a comma.
m/s
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