The picture above is a snapshot at time t = 0 showing three balls, labelled A, B

Question

The picture above is a snapshot at time t = 0 showing three balls, labelled A, B, and C. The distance between ball B and ball A at t = 0 is the same as the distance between ball B and ball C at t = 0 (d = 12.0 m). In the reference frame of the table, balls B and C each move to the left with constant velocities of VB = -4.0 m/s and VC = -35.0 m/s, respectively. Ball A moves to the right with a constant velocity VA = +18.0 m/s. For the following questions, to the right is positive and to the left is negative. From the reference frame of ball A, what is the velocity of ball C? From the reference frame of ball B, what is the velocity of ball C? From the reference frame of ball B, what is the velocity of ball A? From the reference frame of ball A, what is the velocity of ball B? Which ball collides with ball B first? Ball A Ball C Ball A and Ball C collide with Ball B at the same time.

Explanation / Answer

v(B/A)=-4-18=-22 m/s c collides first

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