Physics 163

Unit 4: Momentum and Collisions

Problem Set B

 

Problem 12:

A small 24.1 gram fish moving with a speed of 36.9 cm/s is engulfed by a large fish which is initially at rest and has 3 times the mass of the little fish. Determine the post-lunch speed (in cm/s) of the big fish (with the small fish in its stomach). 

 

 

 

 

 

 

 

General nformation about solving collision problems is described on the Set B Overview page.

A detailed description of the use of momentum conservation and proportional reasoning as a guide to thinking about collision problems is provided online at The Physics Classroom.

A detailed description of the momentum conservation principle is provided online at The Physics Classroom.

Detailed solutions and discussions of several sample momentum problems are provided online at The Physics Classroom.

 

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