1

JEE Advanced 2018 Paper 1 Offline

Numerical

+3

-0

A ring and disc are initially at rest, side by side, at the top of an inclined plane which makes an angle $${60^ \circ }$$ with the horizontal. They start to roll without slipping at the same instant of time along the shortest path. If the time difference between their reaching the ground is $$\left( {2 - \sqrt 3 } \right)/\sqrt {10} \,\,s,$$ then the height of the top of the inclined plane, in metres is ______________ . Take $$g = 10\,\,m{s^{ - 2}}.$$

Your input ____

2

JEE Advanced 2015 Paper 2 Offline

Numerical

+4

-0

The densities of two solid spheres A and B of the same radii R vary with radial distance r as $${\rho _A}(r) = k\left( {{r \over R}} \right)$$ and $${\rho _B}(r) = k{\left( {{r \over R}} \right)^5}$$, , respectively, where k is a constant. The moments of inertia of the individual spheres about axes passing through their centres are $${I_A}$$ and $${I_B}$$, respectively. If, $${{{I_B}} \over {{I_A}}} = {n \over {10}}$$, the value of n is

Your input ____

3

JEE Advanced 2015 Paper 1 Offline

Numerical

+4

-0

Two identical uniform discs roll without slipping on two different surfaces AB and CD (see figure) starting at A and C with linear speeds v

_{1}and v_{2}, respectively, and always remain in contact with the surfaces. If they reach B and D with the same linear speed and v_{1}= 3 m/s, then v_{2}in m/s is (g = 10 m/s^{2})Your input ____

4

JEE Advanced 2014 Paper 1 Offline

Numerical

+3

-0

A uniform circular disc of mass 1.5 kg and radius 0.5 m is initially at rest on a horizontal frictionless surface. Three forces of equal magnitude F = 0.5 N are applied simultaneously along the three sides of an equilateral triangle XYZ with its vertices on the perimeter of the disc (see figure). One second after applying the forces, the angular speed of the disc in rad s

^{-1}isYour input ____

Questions Asked from Rotational Motion (Numerical)

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