15.28: On a frictionless horizontal surface, two bodies m
q icayv;hrs6 ce3b-6kb1 +pi:ake ahead-on collision and stick together. Body 1 has a mass of
s bp q:h+vcyi;be-1 6ic6kar3 3.5 kg and initially moves to the right with speed 7.0 m/s. Body 2 initially is at rest. A graph of the force exerted onto Body 2 from Body 1 during the collision is shown.
How much kinetic energy was transformed to other kinds of energy from the collision?