A well is 85 metres deep, a stone is just released from the top of the well. After how much time will the splash be heard. Assume velocity of sound is 340 m/sec, .
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Answer:
0.5 seconds
Explanation:
Total distance the sound will cover is
85 × 2 = 170 m
the time in which you will hear the sound will be = DISTANCE / SPEED = 170 / 340 = 1/2 = 0.5 seconds
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