A bowling ball, moving to the east at a speed of 1.4 m/s, collides head-on with a stationary beach ball of the same diameter but less than one twentieth the mass. After the collision, the beach ball moves with a speed of 1.6 m/s. Which of the following is then true?
A. The beach ball has more momentum than the bowling ball
B. The bowling ball has a velocity of slightly under 1.4 m/s, to the east
C. The bowling ball recoils to the west with nearly the same speed as before the collision
D. The bowling ball and the beach ball have the same momentum after the collision
Answer: B
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