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Q. |
A grinding wheel rotates at 3000 rpm. When power supply is cut-off the wheel stops in 10 seconds. The number of revolutions made by the wheel before coming to rest would be |
A. | 1500 |
B. | 3000 |
C. | 1000 |
D. | 250 |
E. | 500 |
Answer» D. 250 |
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