A charging bull elephant with a mass of 5240 kg comes directly toward you with a speed
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A charging bull elephant with a mass of 5240 kg comes directly toward you with a speed of 4.55 m/s. You toss a 0.150-kg rubber ball at the elephant with a speed of 7.81 m/s.
(a) When the ball bounces back toward you, what is its speed?
(b) How do you account for the fact that the ball's kinetic energy has increased?
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A ball and a charging elephant move horizontally toward each other and then an elastic collision occ...View the full answer
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