Friday
October 31, 2014

Homework Help: Physics

Posted by Joe on Monday, March 10, 2014 at 9:26pm.

A car of mass m moving at a speed v1 collides and couples with the back of a truck of mass 3m moving initially in the same direction as the car at a lower speed v2. (Use any variable or symbol stated above as necessary.)

(b) What is the change in kinetic energy of the car–truck system in the collision?

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