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A 525 g ball hits the floor with an impact speed of 5.90 m/s, and bounces upward with a speed leaving the floor of 2.88 m/s. The force versus time curve during the contact between the ball and the floor is shown above, where the maximum force F,,, = 325 N. How long was the ball in contact with the floor? O 284ms O 7.09ms O 142ms O 465ms Question 2 Jenna and Michael are throwing a 0.420 kg football back and forth. Jenna also has a 1.60 kg ball of clay. Michael throws the football horizontally toward Jenna at 4.90 m/s, at the same time Jenna throws the ball of clay toward the football. If the football stops moving forward after the clay impacts the football, how fast did Jenna throw the clay? O 0.262m/s O 1.29m/s O 138m/s O 6.19m/s Question 3 A missile is fired form the back of a stationary truck. The missile takes off at a speed of 61.2 m/s and has a mass of 45.2 kg. If the truck has a mass of 1.08x1 0? kg, what is the recoil speed of the truck? O 256 m/s O 246 m/s O 169m/s O 0.739m/s