JEE Main 9 Jan 2020 Shift 2 Solved Paper

Section: Physics

Question : 16 of 75

Marks: +1, -0

A uniformly thick wheel with moment of inertia I and radius R is free to rotate about its centre of mass (see fig). A massless string is wrapped over its rim and two blocks of masses m1 and m2 (m1>m2) are attached to the ends of the string. The system is released from rest. The angular speed of the wheel when m1 descents by a distance h is :

[9 Jan 2020 Shift 2]

[
m1+m2
(m1+m2)R2+I
]
1
2
gh
[
2(m1−m2)gh
(m1+m2)R2+I
]
1
2
[
2(m1+m2)gh
(m1+m2)R2+I
]
1
2
[
m1−m2
(m1+m2)R2+I
]
1
2
gh

Validate

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