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General
Easy
Question
Three equal masses m are rigidly connected to each other by massless rods of length l forming an equilateral triangle, as shown above. The assembly is to be about an axis perpendicular to the triangle. For fixed given an angular velocity , the ratio of the kinetic energy of the assembly for an axis through B compared with that for an axis through A is equal to
- 3
- 2
- 1/2
- 1/3
The correct answer is: 2
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