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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 9 - Rotational Dynamics > A uniform circular disc of radius 50 cm at rest is free to turn about an axis which is perpendicular to its plane and passes through its centre. It is subjected to a torque which produces a constant angular acceleration of 2.0 rads^−2. Its net acceleration in ms^−2 at the end of 2.0 s is approximately:

A uniform circular disc of radius 50 cm at rest is free to turn about an axis which is perpendicular to its plane and passes through its centre. It is subjected to a torque which produces a constant angular acceleration of 2.0 rads^−2. Its net acceleration in ms^−2 at the end of 2.0 s is approximately:

A disc and a solid sphere of same radius but different masses roll off on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ?