Mathematics · Speed, Time and Distance
A grindstone used in a grinding machine has a diameter of 210 mm and operates at 1200 rpm. What is the maximum linear grinding speed possible with this machine? (Take π = 22/7)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 16.6 m/s
- 279.2 m/s
- 313.2 m/s✓
- 426.4 m/s
Correct answer
13.2 m/s
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