A ship is 220 metres from a large cliff when it sounds its horn.
(a)
How far has the sound tra...
A ship is 220 metres from a large cliff when it sounds its horn.
(a)
How far has the sound travelled when the echo is heard on the ship?
(b)
The ship changes its distance from the cliff. When the echo time is 0.5
seconds, how far is the ship from the cliff? (take speed of sound as 340m/s)
Answers: 3
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