Question

A child hears an echo from a cliff in 10 sec after the sound from an animal is produced.
calculate the distance between the cliff and the child.(take velocity of sound as 340m/s)

Answer 1

Answer:

IME TAKEN FOR ECHO TO RETURN = 4 SECONDS

SPEED OF SOUND GIVEN = 340m/s

DISTANCE OF CLIFF FROM CHILD=

\frac{340 \times 4}{2}  = 680m

Explanation:

DISTANCE OF CLIFF FROM THE CHILD IS 680 METERS.

Answer 2

Explanation:

The sound distance from child and cliff = 10/2= 5

s = 340×5

1700

okay . done easily solved