C04_Lecture14_02042011_PDF

C04_Lecture14_02042011_PDF - CHAPTER 9 Impulse Momentum...

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Physics 1b03, Lecture 14, C04, Rheinstädter, February 4, 2011 1 CHAPTER 9: Impulse & Momentum • Momentum • Newton’s Second Law in another form • Impulse • Momentum and Momentum Conservation Knight: Chapter 9

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Physics 1b03, Lecture 14, C04, Rheinstädter, February 4, 2011 2 A. The clay ball exerts a larger impulse because it sticks. B. The rubber ball exerts a larger impulse because it bounces. C. They exert equal impulses because they have equal momenta. D. Neither exerts an impulse on the wall because the wall doesn’t move. A 10 g rubber ball and a 10 g clay ball are thrown at a wall with equal speeds. The rubber ball bounces, the clay ball sticks. Which ball exerts a larger impulse on the wall?
Physics 1b03, Lecture 14, C04, Rheinstädter, February 4, 2011 3 A. The clay ball exerts a larger impulse because it sticks. B. The rubber ball exerts a larger impulse because it bounces. C. They exert equal impulses because they have equal momenta.

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