Question

A man is standing between two hills he fires a gun and hears two echos one after 3 secs and another a 5 sec find the distance between two hills

Answer 1

Answer:

10 m is the distance of the two hill

Answer 2

Answer:hi buddy

Explanation:

Let d be the distance of first hill , which gives an echo after 3/2s and d′ be the distance of another hill which gives echo after 5/2s , from the person . therefore total distance between hills =249+415=664m .