A research vessel sends a pulse of sound down to the ocean floor. The echo of the pulse is received back at the vessel after 4.0 s. The depth of the sea under the vessel is 2900 m.
From this information, what is the speed of sound in this sea water?
725 m/s725\text{ m/s}725 m/s
1450 m/s1450\text{ m/s}1450 m/s
2900 m/s2900\text{ m/s}2900 m/s
5800 m/s5800\text{ m/s}5800 m/s
295 exam-style questions on CIE IGCSE Physics Sound, covering Sound. Each one has a worked solution and a mark scheme showing where the marks go.