Homework Help: science

Posted by Abhay on Saturday, January 5, 2013 at 6:40am.

A stone is dropped into a well of 80m deep. The sound of splash is heard 4.20 sec after the stone is dropped. Find the velocity of sound in air.

science - Steve, Saturday, January 5, 2013 at 3:51pm
time to fall is from

80 = 4.9t^2
t = 4.04 s

time for sound to return: 4.20-4.04 = 0.16 s

80m/0.16s = 500m/s

Answer this Question

Related Questions

physics - A spelunker drops a stone from rest into a hole. The speed of sound is...
physics - A spelunker (cave explorer) drops a stone from rest into a hole. The ...
physics - A spelunker (cave explorer) drops a stone from rest into a hole. The ...
physics - A spelunker drops a stone from rest into a hole. The speed of sound is...
Physics(Please help) - 1) A cave explorer drops a stone from rest into a hole. ...
physics sound - 1. A stone is dropped from rest into a well. The sound of the ...
physics - 1. A stone is dropped from rest into a well. The sound of the splash ...
physics repost - 1. A stone is dropped from rest into a well. The sound of the ...
physics - A stone is dropped into a deep canyon and is heard to strike the ...
Physics - Please help. I got 338.82 for the velocity and wanted to get the ...

For Further Reading

First Name:
School Subject:
Answer: