Physics 101- Introduction to Mechanics
April 19- Angular Momentum II

 

 

 

 
 

 

  Estimate the angular momentum associated with the Earth's rotation about its axis. 
                                     
Estimate the angular momentum associated with the Earth's orbital motion about the sun. 
 
 
 

If global warming proceeds during the this century as anticipated, it is possible that the polar ice caps will melt, substantially raising sea levels around the world (flooding coastal cities like New York, etc.).  Would this shorten, lengthen or have strictly no effect on the duration of a day?  (A "day" here means from one sunrise to the next one.)

a. lengthen the say
b. shorten the day
c. have strictly no effect on the length of a day

 
 
 
 
 

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Jeff Phillips
phillips@lmu.edu
Loyola Marymount University
Spring 2002