STANDARD Physics Orbital Velocity MCQ Question
If vₑ is the escape velocity and v₀ is orbital velocity of a satellite for orbit close to the Earth's surface. Then these are related by
v₀ = √2vₑ
v₀ = vₑ
vₑ = v₀/2
v₀ = √(2vₑ)
Correct Answer
Detailed Explanation
Escape velocity, vₑ = √(2GM/Rₑ). The orbital velocity of a satellite close to the Earth's surface is v₀ = √(GM/Rₑ). Thus, v₀ = √2vₑ.
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