15.28: On a frictionless horizontal surface, two bodies make
tw.4sy b z iotabf55cxi,,/j ;ahead-on collision and stick together. Body 1 has a mass of 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
isjb.w ;xc/,5fat45i btoz, y 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?