15.28: On a frictionless horizontal surface, t
qmup ba+/v:28lt8sbo wo bodies make ahead-on collision and stick together. Body 1 has a mass of 3.5 kg a
b q/ms8bo lp2+at8uv:nd 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?