Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Rotational Motion Rotational Inertia
A uniform sphere of mass M and radius R rolls without slipping on a plane surface so that its centre moves at a speed of vcm. If kr is the kinetic energy of its rotation and kt is the kinetic energy of its translation, then the ratio (kr/kt) is
1
1/2
2
2/5
3
1/3
4
More than one of the above
5
None of the above