Question

A man fires a gun and hears the echo from the cliff after 2 seconds. he walks towards cliff about a distance of 85 m and fires the gun again. he hears echo after 1.5 seconds. in this case, the velocity of sound in air is

Answer 1

acc to the question n the situation we see that when he travels 85m 25 percent of original time is reduced therefore we come to the conclusion that 85m is 25 percent of x so by multiplying 85 x 4 we get 260m so the solution is 260 m