Physics 163

Unit 4: Momentum and Collisions

Problem Set B

Problem 11:

A 4.27 kg bowling ball moving eastward with a speed of 3.69 m/s collides head-on with a 1.25-kg bowling pin. The pin is initially at rest but is moving eastward with a speed of 12.55 m/s after the collision. Determine the post-collision speed of the bowling ball.

• Read the problem carefully and diagram the physical situation (collision diagram)
• Identify known and unknown information in an organized manner (list on diagram)
• Take the time to plot out a strategy prior to beginning the solution
• Identify an appropriate formula to use (or use a momentum table)
• Perform step-by-step algebraic manipulations

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

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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