A man clapping his hands at regular intervals observes that the echo of a clap coincides with the next clap. If the reflecting cliff is 160m away and the speed of sound is 320ms^-1, what is the frequency of the clapping?

Similar Questions

The fig above shows a block of mass m sliding down a rough inclined plane QP at angle $\theta$ ....

A lead bullet of mass 0.05 kg is fired with a velocity of 200 m/s into a lead block of mass 0.95 kg....

An astronaut is walking on the moon where the magnitude of the acceleration due to gravity "g&r...

In order to prevent bar magnets from losing their strength, they are stored wih keepers such that th...

Three forces with magnitudes 16 N, 12 N and 21 N are shown in the diagram below. Determine the magni...

In which of these fields are repulsive forces NOT experienced? I. Magnetic field II. Gravitati...

The correct sequence of energy transformation in the operation of an x-ray tube is i. X-rays ii....

Which of the following instruments is best for measuring the diameter of a thin constantan wire? ...

A motor boy of a driver saw what seems to appear to be a pool of water a head of him, while his driv...

Marching soldiers crossing a suspension bridge are usually advised to break their steps to avoid dam...