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Ch2 HW3 S2008

# Ch2 HW3 S2008 - Ch2 HW3 S2008 10:23 AM Web Assign Ch2 HW3...

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4/25/08 10:23 AM Ch2 HW3 S2008 Page 1 of 4 http://www.webassign.net/[email protected]/[email protected] Ch2 HW3 S2008 (Homework) KRISTIN SEILOFF PHYS 2211 M & N Spring 08, section N05, Spring 2008 Instructor: Jennifer Curtis Description Problems of greater complexity Instructions Readings: Sections 2.6-2.7 Web Assign Current Score: 18 out of 22.5 Due: Friday, January 25, 200808:35 AM EST 1. 4/4 submissions Study the example entitled "Colliding Students" on pp. 56-57. The following questions refer to this example. What was chosen as the system to be analyzed? (_) (_) The student on the right. (o) (o) The student on the left. (_) (_) Both students plus the Earth. (_) (_) Both students. Which components of the net force on the system were zero during the collision? (Check all that apply.) [x] [x] [x] [x] [_] [_] What is the correct form of the x-component of the Momentum Principle for this situation? (_) (_) (_) (_) (o) (o) Which of these quantities were used in estimating the duration of the collision, ? (Check all that apply.) [x] [x] An estimate of how much the student's body was compressed.

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Ch2 HW3 S2008 - Ch2 HW3 S2008 10:23 AM Web Assign Ch2 HW3...

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