A bus driving along at 39.6 kmph is approaching a person who is standing at the bus stop, while honking repeatedly at an interval of 30 seconds. If the speed of the sound is 330 m/s, at what interval will the person hear the horn ?

An echo of sound produced by a person, is heard from a distant tower after an interval of 1.5 s. If the speed of sound in air is 330 ms^(-1) , then the distance of the tower from the person is _______ m.

A person standing near a hill fires a gun and hears the echo after 1 second. If speed of sound in air is 340 m//s . Find the distance between the hill and the person.

A man standing between two cliffs claps his hands and starts hearing series of echoes at interval of one second. Since the speed of sound in air is 340 m//s , the distance between cliffs must be

Suresh standing symmetrically between two cliffs claps his hands and starts hearing a series of echoes at intervals of 1 second. If speed of sound in air is 340 m/s, the distance between the parallel cliffs must be

Two bullets are fired from a place at an interval of 5 minutes. A person approaching that place hears it at the gap of 4 minutes, 30 seconds. If speed of sound in 330 m/s then what is the speed of person (in km/ h).

Two bombs blast at an interval of 10 minutes. A person running away from that place hears the two blasts at an interval of 12 minutes. If speed of sound is 330 m/s find the speed of the person and the distance he covered by running away from the blast.