what is the moment of inertia of this wheel about its own axis? answer in kg m^2

Physics
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A certain wheel has inner radius 30 cm and outer radius 35 cm and a total mass of 2 kg. 

Dec 4th, 2014

Moment of inertia = I = ?

Radius = r = 35 cm = 0.35 m

mass = m = 2 kg

Now 

I = mr^2

Now putting the values , we get

I = (2 kg)(0.35 m)^2

I = (2 kg)(0.1225 m^2)

I = 0.245 kg m^2


Dec 4th, 2014

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