A 144-g baseball moving 28.0 m/s strikes a
Chapter 9, Problem 9.52(choose chapter or problem)
A 144-g baseball moving 28.0 m/s strikes a stationary5.25-kg brick resting on small rollers so it moves withoutsignificant friction. After hitting the brick, the baseballbounces straight back, and the brick moves forward at1.10 m/s. (a) What is the baseballs speed after the collision?(b) Find the total kinetic energy before and after thecollision.
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