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A body having moment of inertia o:m2 is rotating at 210 RPM and r with another body at rest having 40 kg m2. The resultant speed after will be. | |
A. | 90 RPM [Correct Answer] |
B. | 100 RPM [Wrong Answer] |
C. | 80 RPM [Wrong Answer] |
D. | data are insufficient [Wrong Answer] |