Physics > 2002 > 31
WASSCE
A pulse of a sound is transmitted from a ship and the reflection from he sea bed is recorded after 0.2s. calculate the depth of the sea.[take speed of sound in sea water = 1560ms-1]
A.
312.0m
B.
156.0m
C.
78.0m
D.
31.2m
Answer: B
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