| ⇦ | 
| ⇨ |
A mass m moves in a circle on a smooth horizontal plane with velocity v₀ at a radius R₀. The mass is attached to string which passes through a smooth hole in the plane as shown.
The tension in the string is increased gradually and finally m moves in a circle of radius R₀/2. The final value of the kinetic energy is
Options
(a) 1/4 mv₀²
(b) 2 mv₀²
(c) 1/2 mv₀²
(d) mv₀²
Correct Answer:
2 mv₀²
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A radioactive substance contains 10000 nuclei and its halflife period is 20 days
- If 10000 V is applied across an X-ray tube, what will be the ratio of de-Broglie
- A point charge is kept at the centre of a metallic insulated spherical shell. Then
- The de-broglie wavelength of an electron in 4th orbit is
- The turn ratio of a transformer is 1:2. An electrolytic dc cell of emf 2 volt is connected
Topics: Motion of system of Particles and Rigid Body
(73)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A radioactive substance contains 10000 nuclei and its halflife period is 20 days
- If 10000 V is applied across an X-ray tube, what will be the ratio of de-Broglie
- A point charge is kept at the centre of a metallic insulated spherical shell. Then
- The de-broglie wavelength of an electron in 4th orbit is
- The turn ratio of a transformer is 1:2. An electrolytic dc cell of emf 2 volt is connected
Topics: Motion of system of Particles and Rigid Body (73)
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