- #1
atarr3
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Homework Statement
Three radio-equipped plumbing vans are broadcasting on the same frequency f_0. Van 1 is moving north of van2 with a speed of v, van 2 is fixed, and van 3 is moving west of van 2 with a speed of v. What change in frequency (f-f_0) does van 3 hear from van 1?
Homework Equations
I'm not really sure what equation to use because the doppler shift function doesn't work here.\
The Attempt at a Solution
I'm not really sure where to start from thise.
Thanks in advance for all of your help, guys.