| A cubical block of side 30cm is moving with velocity \[2m{{s}^{-1}}\]on a smooth horizontal surface. The surface has a bump ata point O as shown in figure. The angular velocity (in rad/s) of the block immediately after it hits the bump, is: [JEE ONLINE 09-04-2016] |
 |
A) 9.4
B) 6.7
C) 5.0
D) 13.3
Correct Answer: C
Solution :
[c] Using conservation of angular momentum
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