<1>
An automobile of mass 1500kg moving at 25m/s collides with atruck of mass 4500kg at rest. This time, the car and the truckbounce off each other completely elastically. What is the finalvelocity of the truck after the collision? Call the direction ofthe automobile before the collision positive.
<2>
An automobile of mass 1500kg moving at 25m/s collides with atruck of mass 4500kg at rest. This time, the car and the truckbounce off each other completely elastically. What is the finalvelocity of the car after the collision? Call the initial directionof the automobile positive.
