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A particle falls towards earth from infinity. Its velocity on reaching the earth would be
Options
(a) infinity
(b) √(2gR)
(c) 2 √(Rg)
(d) zero
Correct Answer:
√(2gR)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A tuning fork A produces 4 beats per second with another tuning fork B of frequency
- A particle moves in xy plane according to the equation x = 4t² + 5t + 16 and y = 5t
- The energy of groundstate (n=1) of hydrogen level is -13.6 eV. The ionistation
- Three objects A,B and C are kept in a straight line on a frictionless horizontal surface
- A car accelerates from rest at constant rate for first 10s and covers a distance x.
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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Velocity will be equal to the escape velocity from Earth i,e root over of 2gR