Asked by Hannah
A stone is dropped into a well of depth 11 m. How long after that, the sound of the splash can be heard? Given speed of sound =343ms^-1
Answers
Answered by
Steve
how long does it take to fall 11m?
1/2 at^2 = 11
Then it takes the sounds 11/343 s to come back.
1/2 at^2 = 11
Then it takes the sounds 11/343 s to come back.
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