Question

what is satellite establish an expression for orbital velocity​

Answer 1

Ciao,
if v is the orbital velocity and R is the radius of earth that is equal to 6400km.then
v = gR ( under square root)
putting values in this expression
v= 9.8ms-1×64ookm ( under square root)
= 7.9kms-1
this is the orbital velocity required to put a setellite into an orbit.
hope it helps.stay blessed☺