A stone is dropped into a lake from height 500m.The sound of the splash heard by the is approximately after
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Answer:
Time taken to fall
= (2×500÷10)^(0.5) s
= 10 seconds
Time taken for sound to reach
= 330÷500 s (Speed of sound = 330 m/s)
= 0.66 seconds
Thus,
Total time taken
= 10 + 0.66 seconds
= 10.66 seconds (Answer)
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