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