Describe how an artificial satellite using two stage rocket is launched in an orbit around the Earth.

How are satellites launched in an orbit?

A satellite is moving in an orbit around the earth due to

Work done on an artificial satellite by gravity is zero while moving around the earth.

Work done by gravitational force on an artificial satellite moving around the earth in circular orbit is zero.

State whether the following statements are 'True or False'. Correct the false statement: All artificial satellites revolve in similar orbits around earth

How many natural satellites does the earth have?

Persons sitting in an artificial satellite orbiting around the earth have

The broadcast signals that originate from a radio station are sent to an artificial satellite for redistribution to other locations. Name the orbit where such satellites should be placed and the launch vehicle used.

Assertion: The artifical satellite does not have any fuel but even then it remains orbiting around the earth. Reason: The necessary centripetal force required to move the satellite in an ·orbit around the earth is provided by the gravitational force of attraction between the satellite and the earth.

How many natural satellites does the earth have ?