*9. A disk of mass m moving in the positive x direction collides with a stationary disk, also of mass m. The first disk moves in a direction with respect to the x axis, and the second disk moves off in a direction of 2 below the x axis, as shown in the figure. Before the collision After the collision a) What is the momentum of the system before collision? b) Write down the momentum of the two disks after collision with respect to x. c) Write down the momentum of the two disks after collision with respect to y.

*9. A disk of mass m moving in the positive x direction collides with a stationary disk, also of mass m. The first disk moves in a direction with respect to the x axis, and the second disk moves off in a direction of 2 below the x axis, as shown in the figure. Before the collision After the collision a) What is the momentum of the system before collision? b) Write down the momentum of the two disks after collision with respect to x. c) Write down the momentum of the two disks after collision with respect to y.

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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Question

*9. A disk of mass m moving in the positive x direction collides with a stationary disk, also of
mass m. The first disk moves in a direction with respect to the x axis, and the second disk
moves off in a direction of 2 below the x axis, as shown in the figure.
After the collision
Before the collision
v m/s
a) What is the momentum of the system before collision?
b) Write down the momentum of the two disks after collision with respect to x.
c) Write down the momentum of the two disks after collision with respect to y.
d) If v= 10 m/s, 0₁-30°, and vi=8 m/s, what is v2/?
e) What is the kinetic energy of the system before and after collision in term of m?
f) What type of collision is it?

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