Solved papers for JEE Main & Advanced JEE Main Paper (Held on 7 May 2012)
done JEE Main Paper (Held on 7 May 2012) Total Questions - 2
question_answer1) A circular hole of diameter R is cut from a disc of mass M and radius R, -the circumference of the cut passes through the centre of the disc. The moment of inertia of the remaining portion of the disc about an axis perpendicular to the disc and passing through its centre is
JEE Main Online Paper (Held On 07 May 2012)
question_answer2) A solid sphere having mass m and radius r rolls down an inclined plane. Then its kinetic energy is
JEE Main Online Paper (Held On 07 May 2012)
A)
\[\frac{5}{7}\]rotational and \[\frac{2}{7}\]translational
doneclear
B)
\[\frac{2}{7}\]rotational and \[\frac{5}{7}\]translational
doneclear
C)
\[\frac{2}{5}\]rotational and \[\frac{3}{5}\]translational
doneclear
D)
\[\frac{1}{2}\]rotational and \[\frac{1}{2}\]translational