Published by:
CGP EDU Academic Team
Published on: August 13, 2026
A fly wheel having mass 3 kg and radius 5 m is free to rotate about a horizontal axis. A string having negligible mass is wound around the wheel and the loose end of the string is connected to a 3 kg mass. The mass is kept at rest initially and released. Kinetic energy of the wheel when the mass descends by 3 m is 
Text Solution
Verified by ExpertsThe correct answer is:
30
(30)
… (i)
… (ii)
From equation (i) & (ii)
K.E. of flywheel 
──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
PHYSICS SECTION-A
A nucleus has mass number and radius Another nucleus has mass number and radi…
A plane electromagnetic wave is moving in free space with velocity and its electric field is given…
A biconvex lens is formed by using two thin planoconvex lenses, as shown in the figure. The refract…
The mean free path of a molecule of diameter at the temperature and pressure , is given as m. (…
Two p-n junction diodes and are connected as shown in figure. A and B are input signals and C is …
A Wheatstone bridge is initially at room temperature and all arms of the bridge have same value of …