This problem is studying the doppler effect and galilean, Ask an Expert

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This problem is studying the Doppler Effect and Galilean Relativity. I am not sure what a beat frequency is or how to go about doing the problem:

Problem: Starting from a location with position vector r1,x = -16.5 m and r1,y = 22.7 m, a rabbit hops around for 11.3 seconds with average velocity vav,x =-2.27 m/s and vav,y = 1.47 m/s.

Part A: Find the components of the position vector of the rabbit\'s final location, r2,x and r2,y.

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