Ball bounces back toward you-what is its speed

Reference no: EM13563973

A charging bull elephant with a mass of 5240kg comes directly towards you with a speed of 4.55m/s.You toss a 0.150-kg rubber ball at the elephant with a speed of 7.81m/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?

Reference no: EM13563973

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Ball bounces back toward you-what is its speed : A charging bull elephant with a mass of 5240kg comes directly towards you with a speed of 4.55m/s.You toss a 0.150-kg rubber ball at the elephant with a speed of 7.81m/s. (a) when the ball bounces back toward you,what is its speed?

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