Questions
A cubical block of side a is moving with a velocity v on a horizontal smooth plane as shown in the figure, it hits a bridge at O. The angular speed of the block after it hits the ridge at O, is
detailed solution
Correct option is A
from conservation of angular momentum mva2=Iω mva2=2 m a23ω (moment of inertia about a corner of a cube =2 m a23) ω=3v4aTalk to our academic expert!
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The terminal velocity of a small sized spherical body of radius r falling vertically in a viscous liquid is given by the following proportionality :
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