a.) Calculate A's momentum: before collision: kg-m/s after collision: kg-m/s Make sure you understand why it is NOT conserved. b.) Calculate B's momentum: before collision: kg-m/s after collision: kg-m/s Make sure you understand why it is NOT conserved. c.) Calculate the A+B system's momentum: before collision: kg-m/s after collision: kg-m/s Make sure you understand why it IS conserved.

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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On a horizontal frictionless table, masses A and B (3 kg, 5 kg) slide to the right and left, respectively. They have speeds of 3 m/s and 1 m/s, respectively. The two
masses collide, and bounce off each other. After the collision, they travel in opposite directions at speeds of 1.5 m/s and 1.700 m/s, respectively.
(Note:In this problem, please use + dir =
right, - dir = left, to indicate direction.)
a.) Calculate A's momentum:
before collision:
kg-m/s
after collision:
kg-m/s
Make sure you understand why it is NOT conserved.
b.) Calculate B's momentum:
before collision:
kg-m/s
after collision:
kg-m/s
Make sure you understand why it is NOT conserved.
c.) Calculate the A+B system's momentum:
before collision:
kg-m/s
after collision:
kg-m/s
Make sure you understand why it IS conserved.
d.) Calculate the kinetic energy of the A+B system:
before collision:
after collision:
J
What kind of collision is this v ---Select---
elastic
somewhat inelastic
Submit Answer
completely inelastic
Transcribed Image Text:On a horizontal frictionless table, masses A and B (3 kg, 5 kg) slide to the right and left, respectively. They have speeds of 3 m/s and 1 m/s, respectively. The two masses collide, and bounce off each other. After the collision, they travel in opposite directions at speeds of 1.5 m/s and 1.700 m/s, respectively. (Note:In this problem, please use + dir = right, - dir = left, to indicate direction.) a.) Calculate A's momentum: before collision: kg-m/s after collision: kg-m/s Make sure you understand why it is NOT conserved. b.) Calculate B's momentum: before collision: kg-m/s after collision: kg-m/s Make sure you understand why it is NOT conserved. c.) Calculate the A+B system's momentum: before collision: kg-m/s after collision: kg-m/s Make sure you understand why it IS conserved. d.) Calculate the kinetic energy of the A+B system: before collision: after collision: J What kind of collision is this v ---Select--- elastic somewhat inelastic Submit Answer completely inelastic
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