A fisherman sends sound signals in both air and water simultaneously. Find the difference in the distance travelled by sound signal in both the medium after 4 seconds. Given that speed of sound in air is 340 ms–1 and speed of sound in water is 1500 ms–1.
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Difference in distance travelled by sound in air and water = 4.64 Km
Explanation:
Speed of sound in air is 340 ms–1
Speed of sound in water is 1500 ms–1
Time = 4 seconds for both mediums
Distance travelled in air = Speed in air * time = 340 * 4 = 1360 m
Distance travelled water = Speed in water * time = 1500 * 4 = 6000 m
Difference in distance travelled = 6000 - 1360 = 4640 metres = 4.64 Km
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