Momentum Problem 8.5.3


Description

A spring is attached to a cart on an air track. With the spring compressed and locked, the cart is brought into contact with another cart. When the spring is released, the carts travel as shown in the animation (position is in meters and time is in seconds). 

Question

What is the velocity of the center of mass of the two carts after the spring is released. Start

Answer

Zero.

Reference

See Giancoli-PA: 7-4, Giancoli-SE: 9-4.

Credits

Physlet problem authored by Aaron Titus.

2000 by Prentice-Hall, Inc. A Pearson Company