Question

-
V
.
B.
A satellite rotating very close to the surface of the
earth has approximate linear speed equal to
(1) 5 km/s
(2) 6 km/s
(3) 7 km/s
(4) 8 km/s
If Ris radinis of the earth then anproximate altitude​

Answer 1

Answer:

mv^2/R=mg

v^2/R=g

R=6400km

g=10m/s^2=10*10^(-3)km/s^2

v^2=Rg=6400*10*10^(-3)=64

v=√64=8km/s

Answer 2

Answer:

pls do refer the attachments..