A uniform disc of mass 
radius 
rotates about a fixed vertical axis passing through its centre with angular velocity 
. A particle of same mass 
and moving horizontally with velocity 
towards centre of the disc collides with the disc and sticks to its rim
The angular velocity of the disc after the particle sticks to it is
a)
b)
c)
d)
radius rotates about a fixed vertical axis passing through its centre with angular velocity . A particle of same mass and moving horizontally with velocity towards centre of the disc collides with the disc and sticks to its rimThe angular velocity of the disc after the particle sticks to it is
a)
b)
c)
d)
Question ID - 101385 | SaraNextGen Top Answer A uniform disc of mass radius rotates about a fixed vertical axis passing through its centre with angular velocity . A particle of same mass and moving horizontally with velocity towards centre of the disc collides with the disc and sticks to its rim
The angular velocity of the disc after the particle sticks to it is
a)
b)
c)
d)
A uniform disc of mass radius rotates about a fixed vertical axis passing through its centre with angular velocity . A particle of same mass and moving horizontally with velocity towards centre of the disc collides with the disc and sticks to its rim
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The angular velocity of the disc after the particle sticks to it is |
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a) |
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b) |
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c) |
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d) |
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(b)
Apply conservation of angular momentum,
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Impulse on particle = change in linear momentum
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Impulse on hinge is negative of impulse on disc