Questions
A uniform thin rod of length l and mass m is hinged at a distance l/4 from one of the end and released from horizontal position as shown in Fig. The angular velocity of the rod as it passes the vertical position is
detailed solution
Correct option is B
mgl4=12ml212+ml42ω2⇒ω=24g7l=26g7lTalk to our academic expert!
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A flywheel having a radius of gyration of 2 m and mass 10 kg rotates at an angular speed of 5 rad s-1 about an axis perpendicular to it through its centre. The kinetic energy of rotation is
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