If vₑ is escape velocity and v(o) is orbital velocity of a satellite for orbit close to the earth’s surface, then these are related by:
Options
(a) v(o) = √2 vₑ
(b) v(o) = vₑ
(c) vₑ = √(2 v(o))
(d) vₑ = √2 v(o)
Correct Answer:
vₑ = √2 v(o)
Explanation:
vₑ = √(2GM / R)
v(o) = √(GM / R)
vₑ = √2 v(o)