ch07-p050 - 50. (a) Since the force exerted by the spring...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
50. (a) Since the force exerted by the spring on the mass is zero when the mass passes through the equilibrium position of the spring, the rate at which the spring is doing work on the mass at this instant is also zero. (b) The rate is given by PF v F v =⋅= G G , where the minus sign corresponds to the fact that G F and G v are anti-parallel to each other. The magnitude of the force is given by
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

Ask a homework question - tutors are online