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The Brainliest Answer!
2016-04-01T11:52:09+05:30
Distance=55m
speed=330m/sec
time=330/55=6
echo=2*55/6=18.333333
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2016-04-01T11:52:43+05:30
As we know, time = distance travelled / speed
Here distance will be 110m since the sound would go n return ,
55 + 55 = 110
t = d/s = 110/330 = 1/3 = 0.33 secs
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