A ball falls from height of 18.5 m, hits the floor, and rebounds vertically upward to height of 15.0 m. Assume that mball -0.400 kg. (a) What is the impulse (in kg m/s) delivered to the ball by the floor? magnitude direction kg m/s -Select- (b) If the ball is in contact with the floor for 0.0300 seconds, what is the average force (in N) the floor exerts on the ball? magnitude N direction --Select--- Need Help? Read It