A whale generates a sound to communicate with other whales underwater. If the speed of sound underwater is 1500 m/s and the other whales are 3000 km away, how much time will it take the other whales to hear the first whale?
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2000ans
Explanation:
speed of sound =1500 m/s
distance of other whales =3000000m
time =distance / speed
3000000/1500
2000
the speed of sound in soid is less than water
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