Tuesday

October 21, 2014

October 21, 2014

Posted by **Christina** on Friday, November 12, 2010 at 1:00pm.

a. the observer is moving due east, away from the stationary source

b. the source is moving due west, away from the stationary observer

c. the souce and the observer are moving away from eachother

d. the observer is moving toward the stationary source

e. a, b and c are possible

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