Calculate the moment of inertia when a magnet of dimensions 3cm X 1cm, where mass of a magnet .018 kg.
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Answer:
dimension of magnet =length *breadth =3*1cm
mas of the magnet is =0.18kg
lenth =3cm
firstly we convert cm to m
3cm =0.03m
Moment of intertia is ML^2
=0.18*(0.03)^2
=0.18*0.00009=0.000162 kg m^2
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