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Physics, 07.10.2019 17:30 bapehoodboi
On a day when the velocity of sound is 340 m/s, a boy drops a stone from the top of a high tower. if the tower is 50 m tall, how long will it take for the boy to hear the returning sound?
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On a day when the velocity of sound is 340 m/s, a boy drops a stone from the top of a high tower. if...
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