| ⇦ | 
| ⇨ |
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 de-Broglie wavelength of an electron is the same as that of a 50 KeV X-ray photon.
- In Young’s experiment, the third bright band for light of wavelength 6000Å
- A gas of monoatomic hydrogen is bombarded with a stream of electrons
- A perfect gas at 27° C is heated at constant pressure to 327° C. If original volume of gas
- The acceleration due to gravity near the surface of a planet of radius R and density d
Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The de-Broglie wavelength of an electron is the same as that of a 50 KeV X-ray photon.
- In Young’s experiment, the third bright band for light of wavelength 6000Å
- A gas of monoatomic hydrogen is bombarded with a stream of electrons
- A perfect gas at 27° C is heated at constant pressure to 327° C. If original volume of gas
- The acceleration due to gravity near the surface of a planet of radius R and density d
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