| ⇦ | 
| ⇨ |
A cockroach is moving with a velocity v in anticlockwise direction on the rim of a radius R of mass m. The moment of inertia of the disc about the axis is I and it is rotating in clockwise direction with an angular velocity ?. If the cockroach stops, the angular velocity of the disc will be
Options
(a) I?/(I+mR²)
(b) (I?+mvR)/(I+mR²)
(c) (I?-mvR)/(I+mR²)
(d) (I?-mvR)/I
Correct Answer:
(I?-mvR)/(I+mR²)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - The coefficient of performance of a Carnot refrigerator working between 30⁰C and 0⁰C is
- Ratio of the radii of the nuclei with mass numbers 8 and 27 would be
- If the wavelength of light in vacuum be, the wavelength in a medium of refractive index
- The maximum kinetic energy of the photoelectrons depends only on
- If temperature of gas increases from 27°C to 927°C, the kinetic energy will be
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
- The coefficient of performance of a Carnot refrigerator working between 30⁰C and 0⁰C is
- Ratio of the radii of the nuclei with mass numbers 8 and 27 would be
- If the wavelength of light in vacuum be, the wavelength in a medium of refractive index
- The maximum kinetic energy of the photoelectrons depends only on
- If temperature of gas increases from 27°C to 927°C, the kinetic energy will be
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
Since the phenomenon occurs in the absence of external torque, so applying the law of conservation of angular momentum-
I disc ×ω – mvR = (I disc + mR²)×ω`
ω` = Iω – mvR/ I + mR²
Therefore, option c is correct!