MCQOPTIONS
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| 1. |
If the mass of the ball is 7.5 kg and the controlling force is 200N with an angular velocity of 100 rpm, find the radius. |
| A. | 24 cm |
| B. | 28 cm |
| C. | 30 cm |
| D. | 20 cm |
| Answer» B. 28 cm | |