A satellite in vacuum

The acceleration of the light travelling in vacuum is ________

How are satellites launcher . The satellite in an orbit ?

Sunlight reaches to us in composite from and not in it’s constituent colours because vacuum is non- dispersive . speed of all colours is same in vacuum. light behaves like a particle in vacuum. light travels in a straight line in vacuum

What is vacuum?

What are the characteristics of Geo-stationary satellite and Polar satellite? Why polar satellites are called “Weather satellites”—explain

A satellite is to be stationed in an orbit such that it can be used for relay purpose (such a satellite is called a Geostationary satellite). The conditions such a satellite should fulfill is/are :

Motion of satellite| Energy of satellite| Circular and elliptical orbit