Physics, 15.02.2020 16:14 lilquongohard
A clear echo is heard within 0.2 seconds when a person shouts by sitting at the ridge of a hill. Calculate the velocity of sound in air. The distance between the person and the hill is 33.2 m
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A clear echo is heard within 0.2 seconds when a person shouts by sitting at the ridge of a hill. Cal...
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