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For Christmas you receive a new toy train engine of mass m1 = 1.0 kg. Playing around, you set your new toy going at 2.0 m/s, but you inadvertently cause a crash with another train of mass m2 = 1.0 kg initially at rest. The crash converts 800 mJ of kinetic energy into sound and thermal energy. What are the resulting velocities of the two trains after the collision?

For Christmas you receive a new toy train engine of mass m1 = 1.0 kg. Playing around, you set your new toy going at 2.0 m/s, but you inadvertently cause a crash with another train of mass m2 = 1.0 kg initially at rest. The crash converts 800 mJ of kinetic energy into sound and thermal energy. What are the resulting velocities of the two trains after the collision?

Glencoe Physics: Principles and Problems, Student Edition
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter11: Energy And Its Conservation
Section: Chapter Questions
Problem 44A
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For Christmas you receive a new toy train engine of mass m1 = 1.0 kg. Playing around, you
set your new toy going at 2.0 m/s, but you inadvertently cause a crash with another train of mass
m2 = 1.0 kg initially at rest. The crash converts 800 mJ of kinetic energy into sound and thermal
energy. What are the resulting velocities of the two trains after the collision?

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