Question

A child standing in front of a wall claps hia hands and hears the echo after 0.5sec. Find the distance from wall.




PLEASE I NEED THIS FAST
HURRY UP​

Answer 1

Explanation:

Solution



Verified by Toppr

Given V=346m/s,t=5 second 

Distance travelled =V×t 

S=346×5=1730m i.e., in 5 second , the sound has to travel twice the distance between the cliff and the person. Thus , the distance between the cliff and the person

=21730=865 metres