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Two bodies of masses m₁ and m₂ are initially at rest at infinite distance apart.They are then allowed to move towards each other under mutual gravitational attraction with the escape velocity .Their relative velocity of approach at a separation distance r between them is
Options
(a) [2 G(m₁- m₂ )/r]¹/²
(b) [2 G(m₁+m₂ )/r]¹/²
(c) [r/2G(m₁m₂)]¹/²
(d) [2G / r(m₁m₂)]¹/²
Correct Answer:
[2 G(m₁+m₂ )/r]¹/²
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A car sounding a horn of frequency 100 Hz passes an observer. The ratio
- In the series resonance the value of impedence is 3 Ω and the resistance is 4Ω,
- If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits
- A small block of super dense material has mass 3 x 10²⁴ kg.It is situated at a height
- α-particles, deuterons and protons of same energy are moving in a perpendicular
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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