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A cubical block of side a is moving with...

A cubical block of side a is moving with velocity V on a horizontal smooth plane as shown in Figure. It hits a ridge at point O. The angular speed of the block after it hits O is

A

`3v//(4a)`

B

`3v//(2a)`

C

`sqrt(3v)//(sqrt(2a))`

D

Zero

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The correct Answer is:
A
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