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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 circular road of radius 1000m has banking angle 45°.The maximum safe speed of a car
- An inductor coil is connected to a 12 V battery and drawing a current 24 A. This coil
- The power obtained in a reactor using U²³⁵ disintegration is 1000 kW
- The material suitable for making electromagnets should have
- Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å.
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