Planes of two rigid discs are perpendicular to each other. They are rotating about their axes. If th

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3-2.Motion in Plane

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The planes of two rigid discs are perpendicular to each other. They are rotating about their axes. If their angular velocities are $3 \,rad/sec$ and $4\, rad/sec$ respectively, then the resultant angular velocity of the system would be ........ $rad/sec$

A

$ 1$

B

$7$

C

$5$

D

$\sqrt {12} $

Solution

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Standard 11

Physics

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