7. Figure shows the magnitudes and directions of the initial and final velocities of two blocks making a one-dimensional elastic collision on a frictionless surface. a) What are the mass, m2, and magnitude of the final velocity of the first block, |815|? b) If the collision lasts for 2 ms, what is the average force on the first block in unit vector notation? y y m, =5 kg m2 = ? mị = 5 kg M2 = ? Vii = 2 m/s Vzi = 3 m/s Vif = ? v2f = 4.15 m/s Before the collision After the collision Answers: a) m2=1.99 kg, |v1s|= 0.85 m/s; b) Favg= -7125 î N

7. Figure shows the magnitudes and directions of the initial and final velocities of two blocks making a one-dimensional elastic collision on a frictionless surface. a) What are the mass, m2, and magnitude of the final velocity of the first block, |815|? b) If the collision lasts for 2 ms, what is the average force on the first block in unit vector notation? y y m, =5 kg m2 = ? mị = 5 kg M2 = ? Vii = 2 m/s Vzi = 3 m/s Vif = ? v2f = 4.15 m/s Before the collision After the collision Answers: a) m2=1.99 kg, |v1s|= 0.85 m/s; b) Favg= -7125 î N

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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