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Grade 11IIT JEE Entrance Exam

A cubical block of side 30 cm is moving with velocity 2 m/s on a smooth surface . The surface has a bump. The angular velocity of block immediately after it hits the bump is?

Profile image of mohan
8 Years agoGrade 11
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1 Answer

Profile image of Arun
8 Years ago
Dear Mohan
Using conservation of angular momentum
m*v* (0.3/2) = (2/3)* m*(0.3)²*w
w = (3*2)/(4*0.3)
w = 5 rad/sec
Regards
Arun (askIITians forum expert)

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