A herdsman yelling out to fellow herdsman heard his voice reflected by cliff 4s later. What is the velocity of sound in air if the cliff is 680m away?

Similar Questions

If a source of solid is moving, a stationary listener will hear a sound of different frequency. This...

The speed of fast-moving neutrons in a nuclear reactor can be reduced by using? ...

An object is positioned between two plane mirrors inclined at right angles to each other. The object...

Calculate the critical angle for light traveling from water to air. (Refractive index of water = 1.3...

The eyeball consists of a round tough white skin called ...

Which of the following is stored by a dry Leclanche cell? ...

The accurate measurement of the relative density of a substance in its powdered form is done with a ...

The earth's gravitational field intensity at its surface is about (G = 6.7 × 10$^{-11}$...

A platinum-resistance thermometer has a resistance of 5Ω at 0°C and 9Ω at l00&d...

Heat was supplied to a block of ice at 0oC until half of it melted. Which of the following statement...