Let the moment of inertia of a hollow cylinder of length 30 cm (inner radius 10 cm and outer radius 20 cm ) , about its axis be I . The radius of a thin cylinder of the same mass such that its moment of inertia about its axis is also I, is:

Question:

15.Let the moment of inertia of a hollow cylinder of length 30 cm (inner radius 10 cm and outer radius 20 cm ) , about its axis be I . The radius of a thin cylinder of the same mass such that its moment of inertia about its axis is also I, is:

Options :

a) 14cm
b) 16cm
c) 18cm
d) 12cm

Answer :

b) 16cm

Answer Steps :

Step1 :-

Step2 :-

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Related Questions

The kinetic energy of a particle executing a linear SHM is 16 J, when it is in the mean position. If the amplitude is 25 cm, periodic time of the particle in second is (Mass of the particle = 51.2 g)

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