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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)
Related Questions: - Which one of the following is not due to total internal reflection?
- A ballet dancer, dancing on smooth floor, is spinning about a vertical axis
- In gamma ray emission from a nucleus
- The kinetic energy needed to project a body of mass m from the surface of earth
- A cell can be balanced against 110 cm and 100 cm of potentiometer wire, respectively
Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following is not due to total internal reflection?
- A ballet dancer, dancing on smooth floor, is spinning about a vertical axis
- In gamma ray emission from a nucleus
- The kinetic energy needed to project a body of mass m from the surface of earth
- A cell can be balanced against 110 cm and 100 cm of potentiometer wire, respectively
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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