Question

How can you calculate the minimum distance for echo?

Answer 1

Hye mate here is ur answer:

we can calculate this by taking speed of sound and time as 0.1s apply the formula 2d = VT u can calculate minimum distance by this .

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Answer 2

2D = V X T

VELOCITY OF SOUND IS 344M/S

TIME SHOULD BE MINIMUM 0.1SEC TO HEAR ECHO

THEREFORE

2D=344 X 0.1

2D=34.4

D=34.4/2

D=17.2

MINIMUM DISTANCE IS 17.2 M

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