Two discs of moment of inertia 
and 
and angular speeds 
and 
are rotating along collinear axes passing through their centre of mass and perpendicular to their plane. If the two are made to rotate combindly along the same axis the rotational 
of system will be
a)
b)
c)
d)
None of these
Two discs of moment of inertia and and angular speeds and are rotating along collinear axes passing through their centre of mass and perpendicular to their plane. If the two are made to rotate combindly along the same axis the rotational of system will be
a)
b)
c)
d)
None of these
Question ID - 53666 | SaraNextGen Top Answer
Two discs of moment of inertia and and angular speeds and are rotating along collinear axes passing through their centre of mass and perpendicular to their plane. If the two are made to rotate combindly along the same axis the rotational of system will be
a)
b)
c)
d)
None of these
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Two discs of moment of inertia |
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a) |
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b) |
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c) |
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d) |
None of these |
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1 Answer
127 votes
Answer Key / Explanation : (c) -
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(c) Conservation of angular momentum
Angular velocity of system
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Rotational kinetic energy 
127 votes
Answer Link
127