| ⇦ | 
| ⇨ |
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: - Water rises in a vertical capillary tube up to a height of 2.0 cm.
- A tuning fork gives 4 beats with 50 cm length of a sonometer
- A boat which has a speed of 5 kmh⁻¹ in still water crosses river of width 1 km long
- The primary of a transformer when connected to a dc battery of 10 volt draws a current
- Imagine a new planet having the same density as that of earth but it is 3 times bigger
Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Water rises in a vertical capillary tube up to a height of 2.0 cm.
- A tuning fork gives 4 beats with 50 cm length of a sonometer
- A boat which has a speed of 5 kmh⁻¹ in still water crosses river of width 1 km long
- The primary of a transformer when connected to a dc battery of 10 volt draws a current
- Imagine a new planet having the same density as that of earth but it is 3 times bigger
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