Question

A man standing infront of a
of a large wall claps
once. He hears the echo after 1.5s. He moves
170 m closer to the wall and claps again. Now
he hears echo after 1.5s . calculate velocity
of
sound in air and initial distance of the
from the wall.​

Answer 1

Answer:

He walks 33m nearer the wall and hears the echo 1.4s after clapping. Find the velocity of sound in air

Step-by-step explanation:

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Answer 2

Answer:

• Time taken between successive clapping is 0.1s.
• The distance between the man and the wall, after he clapping, If he hears one more echo is 33m.