15.27: On a frictionless horizontal surface, two
3 4zjulm6v gm:bodies make ahead-on collision and stick together. Body 1 has a mass of 3.5 kg and ini
mv mlu:g4j6 3ztially 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.
What is the mass of Body 2?