Physics-
General
Easy
Question
A uniform thin rod of length l is suspended from one of its ends and is rotated at f rotations per second. The rotational kinetic energy of the rod will be -
2 f2 ml2 
f2 ml2 - 4 2 f2 ml2
- zero
2 f2 ml2 f2 ml2 The correct answer is: 2 f2 ml2
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