1. The problem statement, all variables and given/known data An alarm clock has been thrown down a well. around 100m deep well an alarm clock with a frequency of 368hz sounds for 3 seconds accelerating at 9.8 m/s2 initial velocity 0 2. Relevant equations How deep is the well? using doppler take in consideration of the echo what is the frequency of beats? 3. The attempt at a solution I really have no idea :s all i got was that it had red shift and blue shift. the wall is the observer?