Ask Question
11 June, 16:42

A man stands on top of a cliff and shouts.

He hears the echo on the third clap when

he claps his hand at the rate of two claps

per second. What is the distance between

man & the obstruction, if the velocity of

sound is 320 m/s

[IOM 98]

a. 320

b. 460

c. 640

d. 160

+4
Answers (1)
  1. 11 June, 18:19
    0
    From the story the echo is a delay of one second, so half a second there, half a second back.

    d = vt = (320 m/s) (1/2 s) = 160 m

    Answer: d, 160 meters
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A man stands on top of a cliff and shouts. He hears the echo on the third clap when he claps his hand at the rate of two claps per second. ...” in 📘 Physics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers