

MCQOPTIONS
Saved Bookmarks
1. |
A disc of mass 4 kg, radius 0.5 m and moment of inertia 3 kg.m² rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is |
A. | 50 J |
B. | 150 J |
C. | 200 J |
D. | 400 J |
Answer» D. 400 J | |