| ⇦ | 
| ⇨ |
A stone is tied to a string of length l and whirled in a vertical circle with the other end of the string as the centre.At a certain instant of time,the stone is at its lowest position and has speed u.The magnitude of the change in velocity as it reaches a position where the string is horizontal (g being acceleration due to gravity) is
Options
(a) √2(u² – gl)
(b) √(u² – gl)
(c) u – √(u² – 2gl)
(d) √2gl
Correct Answer:
√2(u² – gl)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - The displacement ‘x’ (in meter) of a particle of mass ‘m’ (in kg) moving in one
- A galvanometer having resistance of 50 Ω requires a current of 100μA to give full
- A particle is under two mutually perpendicular simple harmonic motions
- A concave lens of focal length f forms an image which is 1/3 times the size
- If, an electron in hydrogen atom jumps from an orbit of level n=3 to an orbit
Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The displacement ‘x’ (in meter) of a particle of mass ‘m’ (in kg) moving in one
- A galvanometer having resistance of 50 Ω requires a current of 100μA to give full
- A particle is under two mutually perpendicular simple harmonic motions
- A concave lens of focal length f forms an image which is 1/3 times the size
- If, an electron in hydrogen atom jumps from an orbit of level n=3 to an orbit
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply