In a common but dangerous prank, a chair is pulled away as a person is moving downward to sit on it, causing the victim to land hard on the floor. Suppose the victim falls by 0.50 m , the mass that moves downward is 70 kg , and the collision on the floor lasts 0.082 s . What are the magnitudes of the (a) impulse and (b) average force acting on the victim from the floor during the collision? | Numerade