A 144-g baseball moving 28.0 m/s strikes a stationary 5.25-kg brick resting on small rollers so it..

A 144-g baseball moving 28.0 m/s strikes a
stationary 5.25-kg brick resting on small rollers so it moves without
significant friction. After hitting the brick, the baseball bounces straight
back, and the brick moves forward at 1.10 m/s. (a) What is the baseball’s speed
after the collision? (b) Find the total kinetic energy before and after the
collision.