TEST-Momentum-PAP-FR -...

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Unformatted text preview: #______NAME_____________________________________PERIOD______DATE_________________ UNIT TEST Momentum FREE RESPONSE: Please answer the following problems. Show your solutions and answers below. Write your final answer in the box provided. You must show all of your work to receive any credit. For each of the situations outlined below in questions 1-5 compare (a>b, a<b, or a=b) the momentum of sphere A and sphere B. Then offer a brief explanation supporting your response. 6. A 150 g baseball is thrown toward home plate with a speed of 30 m/s. The batter hits the ball directly back at the pitcher with a speed of 40. m/s. a. Sketch a motion map to describe the motion of the baseball. b. What is the change in momentum of the ball? c. If the bat is in contact with the ball for 5.0 x 10-3 s, what is the average force exerted on the ball during the collision? d. How does the force of the bat on the ball compare to the force the ball exerts on the bat? Explain. 7. The diagram below shows two carts that were initially at rest on a horizontal, frictionless surface being pushed...
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This note was uploaded on 11/03/2011 for the course STATS 101 taught by Professor Smith during the Spring '11 term at University of Colorado Denver.

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TEST-Momentum-PAP-FR -...

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