What do you mean by parking orbit? Derive an expression for orbital velocity.

What is a satellite?

Derive an expression for escape velocity on the surface of the earth.

What is escape velocity?

What is a geostationary satellite? Explain.

Derive expression for the time period and height of artificial satellite from the surface of the earth.

Derive an expression for the time period of the satellite revolving around the earth?

Explain the meaning of escape velocity based on the concept of gravitational potential. Hence derive expression for escape velocity of a body thrown from the surface of the earth.

Define gravitational potential energy and derive its expression.

Find an expression for the total energy of a satellite revolving around the earth.

Find an expression for the total energy of the moon revolving around the earth.

Obtain an expression for variation of ‘g’ with rotation of earth.

What do you mean by event horizon? Obtain an expression for the Schwarzschild radius.

Obtain an expression for the gravitational potential energy of a body at a distance r from the center of the earth.

Show that the escape velocity of a body is \(\sqrt{2\mathrm{Rg}}\) where symbols have their usual meaning?