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Homework Help: Question on speed and velocity

  1. Sep 9, 2011 #1

    a stone is dropped in a well is heard to hit the water after 4 sec what will be the depth of the well if the velocity of sound is 350m/s ?

    3. the time taken by stone to reach the water surface is T1 and the time taken by the sound to reach out is T2 now T1+T2 = 4 sec.
    thats all i could do
  2. jcsd
  3. Sep 9, 2011 #2


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    Gold Member

  4. Sep 9, 2011 #3
    You only need to change 3.5 s in the other question with 4.0 s in your task :)

    You are welcome to ask if you wonder how I did something there....
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