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| Q. |
A grinding wheel rotates at 3000 rpm. When power supply is cut off the wheel stops in 5 sec. The number of revolutions made by the wheel before coming to rest would be |
| A. | 500 |
| B. | 107 dynes |
| C. | 250 |
| D. | 3000 |
| E. | 1000 |
| Answer» C. 250 | |
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