MCQOPTIONS
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| 1. |
A disc of mass 4 kg, radius 0.5m 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 | |