Physics 163

Unit 4: Momentum and Collisions

Problem Set B

Problem 2:

Robin Banx is making a get-away in his 2138 kg van. He is moving with a speed of 37 m/s when he loses control and runs into a 1138.2 kg parked car. What is the velocity of the van (in m/s) if these two vehicles stick together and move as a single object after the collision?

• 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.

Audio Help for Problem: 1 || 2 || 3 || 4 || 5 || 6 || 7 || 8 || 9 || 10 || 11 || 12 || 13 || 14

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