Earth originated in the past period of about

Satellite revolving around the earth at a height of 400 Km above the earth's surface has a time period of about

Satellite revolving around the earth at a height of 400 Km above the earth's surface has a time period of about

A satellite having time period same as that of the earth's rotation about its own axis is orbiting the earth at a height 8R above the surface of earth. Where R is radius of earth. What will be the time period of another satellite at a height 3.5 R from the surface of earth ?

A satellite having time period same as that of the earth's rotation about its own axis is orbiting the earth at a height 8R above the surface of earth. Where R is radius of earth. What will be the time period of another satellite at a height 3.5 R from the surface of earth ?

Life originated from the earth's inorganic atmosphere in the past but this no longer happens today. Give two reasons .

Life originated from the earth's inorganic atmosphere in the past but this no longer happens today. Give two reasons.

If the radius of earth shrinks to kR (k lt 1), where R is the radius of Earth, then the time period of rotation of Earth, about its axis will become

If the radius of earth shrinks to kR (k lt 1), where R is the radius of Earth, then the time period of rotation of Earth, about its axis will become