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Two discs have same mass and thickness. Their materials are of densities  and . The ratio of their moment of inertia about central axis will be

a)

b)

c)

d)


Question ID - 53238 :-

Two discs have same mass and thickness. Their materials are of densities  and . The ratio of their moment of inertia about central axis will be

a)

b)

c)

d)

1 Answer
5876 Votes
3537

Answer Key : (d) -

(d)

M.I. of disc

  [If  and  are constant)



Next Question :

A flywheel rotating about a fixed axis has a kinetic energy of  when its angular speed is . The moment of inertia of the wheel about the axis of rotation is

a)

b)

c)

d)


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