Question

A man standing in front of a vertical cliff fires a gun. He hears the echo after 3 s. On moving closer to the cliff by 82.5 m, he fires again and hears the echo in 2.5 s. What is the speed of sound? *
4 points
340m/s
350m/s
330m/s

Answer 1

Answer:

330 is the answer

Explanation:

by the concept on wave chapter