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On a highly polished, essentially frictionless lunch counter, a 0.540 kg submarine sandwich moving 2.95 m/s to the left collides with a 0.230 kg grilled cheese sandwich moving 1.00 m/s to the right.   Part A If the two sandwiches stick together, what is their final velocity? Express your answer with the appropriate units. Enter positive value if the direction of the velocity is to the right and negative value if the direction of the velocity is to the left. Part B How much mechanical energy dissipates in the collision? Express your answer with the appropriate units.

On a highly polished, essentially frictionless lunch counter, a 0.540 kg submarine sandwich moving 2.95 m/s to the left collides with a 0.230 kg grilled cheese sandwich moving 1.00 m/s to the right.   Part A If the two sandwiches stick together, what is their final velocity? Express your answer with the appropriate units. Enter positive value if the direction of the velocity is to the right and negative value if the direction of the velocity is to the left. Part B How much mechanical energy dissipates in the collision? Express your answer with the appropriate units.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter6: Momentum, Impulse, And Collisions
Section: Chapter Questions
Problem 23P: A 45.0-kg girl is standing on a 150.-kg plank. The plank, originally at rest, is free to slide on a...
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On a highly polished, essentially frictionless lunch counter, a 0.540 kg submarine sandwich moving 2.95 m/s to the left collides with a 0.230 kg grilled cheese sandwich moving 1.00 m/s to the right.
 

Part A

If the two sandwiches stick together, what is their final velocity?
Express your answer with the appropriate units. Enter positive value if the direction of the velocity is to the right and negative value if the direction of the velocity is to the left.

Part B

How much mechanical energy dissipates in the collision?
Express your answer with the appropriate units.
 
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