4. [-/1 Points] DETAILS SERPSE10 9.3.OP.007. A ball falls from height of 20.0 m, hits the floor, and rebounds vertically upward to height of 15.0 m. Assume that m = 0.335 kg. (a) What is the impulse (in kg . m/s) delivered to the bell by the floor? magnitude kg - m/= direction ---Select-- v (b) If the ball is in contact with the floor for 0.0400 seconds, what is the average force (in N) the floor exerts on the ball? magnitude direction --Select- v Need Help? Read It 5. [-/1 Points] DETAILS SERPSE10 9.3.OP.010. Starting from rest, a 56.0 kg woman jumps down to the floor from a height of 0.580 m, and immediately jumps back up into the air. While she is in contact with the ground during the time interval 0