A anetenna is of height 500 m. What will be its range (Radio of the earth is 6400 km) ?

An antenna is of height 500 m . What will be its range in km? (Radius of the earth is. 6400 km )

The TV transmission tower at Pitampura,Delhi has a height F235 m. what is coverage range if the radius of the earth is 6400 km.

A T.V. tower has a height of 400 m at a given place. Its coverage range, if the radius of the earth is 6400 km will be

At what height above the surface of the earth will the acceleration due to gravity be 25% of its value on the surface of the earth ? Assume that the radius of the earth is 6400 km .

At what height above the surface of the earth will the acceleration due to gravity be 25% of its value on the surface of the earth ? Assume that the radius of the earth is 6400 km .

Find the period of revolution of a satellite revolving the earth at a height of 200km above earth's surface ? Radius of earth = 6400 km

Find the ratio of the orbital speeds of two satellites of the earth if the satellites are at height 6400 km and 19200 km. (Radius of the earth = 6400 km).