Rigid Body Ex 4A 16 - 2
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Mechanical Properties Of Fluids Aditya Singhal , asked a questionSubject: Physics , asked on 17/11/12
A cylinder of mass 5kg and radius 30cm and free to rotate about its axis receivesan angular impulse of 3Ns initially, followed by a similar impulse after every 4sec. what is the angular speed of the cylinder 30s after the initial impulse. thecylinder is at rest initially.
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Home Ask & Answer Class-XI-Science PhysicsSystem Of Particles And Rotational Moti...
Dear Student!!Mass, m = 5 kgRadius, r = 30 cm = 0.3 mAngular Impulse = 3 kg m sInitial angular velocity,
Let angular velocity after 4 s be
.Since, angular impulse = change in angular momentum
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Hansraj Rai ,Meritnation Expert added an answerAnswered on 19/11/12
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since,
Since the impulse is imparted after every 4 s, hence impulses are imparted at times t=0, 4,8, 12, 16, 20, 24,28 and the last one lasts upto t=32 s
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