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Sound question?

[From: Physics] [author: ] [Date: 01-07] [Hit: ]
Sound question?A stone is dropped from the top of a tower 125 meter high into a pond of water at the base of the tower .When is the splash heard at the top.Take g= 10m/s and speed of sound =340m/s (Answer: 5.36seconds)......


Sound question?
A stone is dropped from the top of a tower 125 meter high into a pond of water at the base of the tower .When is the splash heard at the top.Take g= 10m/s and speed of sound =340m/s
(Answer: 5.36seconds)
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answers:
oubaas say: t = √2h/g +h/Vs = √(250/10) + 125/340 = 5+0.368 = 5.368 sec
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