A small object of uniform density roll up a curved surface with an initial velocity $v$. If reaches up to a maximum height of $\frac{{3v}^{2}}{4g}$ with respect to the initial position. The object is [image:7_image76.emf]

Question

Dr. Abubacker · Accepted Answer

(d) $\frac{1}{2}mv^{2} = \frac{1}{2}I\left( \frac{v}{R} ight)^{2} = mg\left( \frac{3v^{2}}{4g} ight)$
$	herefore$ $I = \frac{1}{2}\ mR^{2}$
$	herefore$ Body is disc.

Q. A small object of uniform density roll up a curved surface with an initial velocity $v$. If reaches up to a maximum height of $\frac{{3v}^{2}}{4g}$ with respect to the initial position. The object is

Explanation

Reviewed by Dr. Abubacker

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