chp 2 hw 4

# chp 2 hw 4 - Ch2 HW4 f10 Page 1 of 4 WebAssign Ch2 HW4...

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Web Assign Ch2 HW4 f10 (Homework) Ashlyn Baum Physics 303K, section B, Fall 2010 Instructor: Jim Chelikowsky Current Score : 14 / 15 Due : Sunday, September 12, 2010 11:30 PM CDT 1. 3/3 points Question: MI3 2.7.X.025 Study the example in the textbook entitled "Colliding Students." The following questions refer to this example. What was chosen as the system to be analyzed? Which components of the net force on the system were zero during the collision? (Check all that apply.) What is the correct form of the x -component of the Momentum Principle for this situation? Which of these quantities were used in estimating the duration of the collision, ? (Check all that apply.) The due date for this assignment is past. Your work can be viewed below, but no changes can be made. Both students. The student on the right. Both students plus the Earth. The student on the left. F net, x = 0 F net, y = 0 F net, z = 0 0 = mv x + F net, x Δ t 0 = 0 + F net, x Δ t mv x = 0 + F net, x Δ t Δ t Page 1 of 4 Ch2 HW4 f10 11/21/2010 http://www.webassign.net/[email protected]/[email protected] ..

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How was the force exerted by one student on the other calculated? About how large was the estimated force exerted by one student on the other, compared to the weight of the student? = 35
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chp 2 hw 4 - Ch2 HW4 f10 Page 1 of 4 WebAssign Ch2 HW4...

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