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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)
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- A particle having a mass of 10⁻² kg carries a charge of 5 x 10⁻⁸C
- If the terminal speed of a sphere of gold (density=19.5 kg/m³) is 0.2 m/s
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A train moving at a speed of 220 ms⁻¹ towards a stationary object
- 3 persons are initially at the 3 corners of an equilateral triangle
- A particle having a mass of 10⁻² kg carries a charge of 5 x 10⁻⁸C
- If the terminal speed of a sphere of gold (density=19.5 kg/m³) is 0.2 m/s
- The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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