30 cm Two masses, each 100 grams, are connected by an effectively massless rubber band and thrown in the air. m m Initially, the rubber band is stretched to 30 cm as the masses rotate about their center of mass making 7 revolutions each second. The rubber band then pulls in the masses, contracting to 20 cm. How many revolutions per second do the rotating masses make after this contraction?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Two masses, each 100 grams, are
30 cm
connected by an effectively massless
m
m
rubber band and thrown in the air.
Initially, the rubber band is stretched to 30
cm as the masses rotate about their center of mass making 7 revolutions each
second. The rubber band then pulls in the masses, contracting to 20 cm. How
many revolutions per second do the rotating masses make after this
contraction?
Transcribed Image Text:Two masses, each 100 grams, are 30 cm connected by an effectively massless m m rubber band and thrown in the air. Initially, the rubber band is stretched to 30 cm as the masses rotate about their center of mass making 7 revolutions each second. The rubber band then pulls in the masses, contracting to 20 cm. How many revolutions per second do the rotating masses make after this contraction?
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