MCQOPTIONS
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| 1. |
A particle of mass m is moving with a uniform speed v in a circle of radius r. What is the work done by the centripetal force after three complete turns? |
| A. | zero |
| B. | 3 mv2 |
| C. | 3/2 mv2 |
| D. | 3/4 mv2 |
| Answer» B. 3 mv2 | |