A 1.0 [kg] ball moving east collides head-on with a 2.0 [kg] ball that is also moving east with speed 2.0 [m/s]. What is the initial speed of the 1.0 [kg] ball if the final momenta of the two balls after the collision is 7.0 [kg m/s] East?

A 1.0 [kg] ball moving east collides head-on with a 2.0 [kg] ball that is also moving east with speed 2.0 [m/s]. What is the initial speed of the 1.0 [kg] ball if the final momenta of the two balls after the collision is 7.0 [kg m/s] East?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter10: Systems Of Particles And Conservation Of Momentum

Section: Chapter Questions

Problem 27PQ

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Question

A 1.0 [kg] ball moving east collides head-on with a 2.0 [kg] ball that is also moving east with speed 2.0
[m/s]. What is the initial speed of the 1.0 [kg] ball if the final momenta of the two balls after the collision
is 7.0 [kg m/s] East?

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