12. A 300 g ball is struck by a bat with an impact that lasts 0.020 s. If the ball moves through the air towards the bat at 50 m/s and leaves at 100 m/s in the opposite direction, calculate the average force exerted by the bat on the ball? (2.3 x 103 MI Be-Learn Physics 30 Module 1 Assignment September 2020 13. In the graph to the right, what value of Fmax gives an impulse of7.1 Ns? (1.8x103 N) . II - -'|'I'I'|-l ll 2 -l h r: Ill 14. An 8.0 g bullet travelling at 400 m/s goes through a stationary block of wood in 4.0 x 10'4 s, emerging at 100 m/s. A. What average force did the wood exert on the bullet? (6.0 x 103 N) B. How thick is the wood? (1.0 x 10'1 m) 15. Given the force-time graph to the right for a 0.75 kg object that was accelerated from rest, calculate the magnitude of 6.ON the velocity at 4.0 s. (16 m/s) Force (N) time (s) 4.0 s 16. Given the force-time graph to the right for a 0.50 kg object that 5.0 N was initially travelling 10 m/s, calculate the magnitude of the velocity after 5.0 s. (5.0 x 101 m/s) Force (N) 3.0 s 5.0 s time (s)17. Circle the graph below that BEST describes the force interaction between an air bag and a passenger during a collision. Explain your reasoning