{ c7? Z c L' ( zz/c.\" Unit 5 Test Momentum, Impulse and Conservation of Momentum Name 53f- ./ 2 Short Answer: You must show all your work below to receive credit. 1.Kevin the clown. whose mass is 60 kg, stands on a skateboard at rest. A 20 kg ball is thrown at Kevin at 3 m/s, and when he catches the ball, he and the ball move on the skateboard. a. What type of collision is this? b. How fast do Kevin and the ball move after he catches the ball? 2. A 0.15 kg baseball is traveling at 40 m/s (about 90 miles per hour). a. Whatisits momentum? /: WV\" : (AM/4y ' \"WM/ 37 y: [7 Kg \"1/5 b. if the ball comes to a complete stop when it hits the catcher's mitt, what is the change in velocity? c. What must be the impulse imparted by the catcher's mitt? d. If the catcher needs to exert a force for 0.003 seconds in order to catch the ball, what is the force on the catcher's mitt