Which of the following statement is correct about satellites?

Options

A. a satellite cannot move in a stable orbit in a plane passing throught the earth centre
B. Geostationary satellites are launched in the quatorial plane
C. we can use juset oine geostationary satellite for global communication around the globe
D. the speed of satellite increases with the increase in the radius of its orbit

Answer

A

Explanation

orbital speed `V_(o)=sqrt(GM)/(r )` so speed fo satellite decreases with the increase in the radius of its orbit we need more than one satellite for golobal communication for stable orbit it must pass through th centre of earth