an echo is returned in 4 seconds if the speed of sound is 342 m per second then the distance between the source of sound and the reflecting body is
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HEY.......
HERE IS U R ANSWER
===================================
DISTANCE = 342* 2
= 684 m
===================================
HOPE IT WILL HELP YOU A LOT....
THANKU.....
HERE IS U R ANSWER
===================================
DISTANCE = 342* 2
= 684 m
===================================
HOPE IT WILL HELP YOU A LOT....
THANKU.....
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