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Part A Calculate the angular momentum of a solid uniform sphere with a radius of

ID: 1382792 • Letter: P

Question

Part A Calculate the angular momentum of a solid uniform sphere with a radius of 0.145m and a mass of 12.0kg if it is rotating at 6.20rad/s about an axis through its center. L =   kg?m2/s   SubmitGive Up Part B Calculate kinetic energy of a solid uniform sphere with a radius of 0.145m and a mass of 12.0kg if it is rotating at 6.20rad/s about an axis through its center. K =   J   Part A Calculate the angular momentum of a solid uniform sphere with a radius of 0.145m and a mass of 12.0kg if it is rotating at 6.20rad/s about an axis through its center. L =   kg?m2/s   SubmitGive Up Part B Calculate kinetic energy of a solid uniform sphere with a radius of 0.145m and a mass of 12.0kg if it is rotating at 6.20rad/s about an axis through its center. K =   J   Part A Calculate the angular momentum of a solid uniform sphere with a radius of 0.145m and a mass of 12.0kg if it is rotating at 6.20rad/s about an axis through its center. L =   kg?m2/s   SubmitGive Up Part A Calculate the angular momentum of a solid uniform sphere with a radius of 0.145m and a mass of 12.0kg if it is rotating at 6.20rad/s about an axis through its center. L =   kg?m2/s   SubmitGive Up L =   kg?m2/s   L =   kg?m2/s   SubmitGive Up Part B Calculate kinetic energy of a solid uniform sphere with a radius of 0.145m and a mass of 12.0kg if it is rotating at 6.20rad/s about an axis through its center. K =   J   Part B Calculate kinetic energy of a solid uniform sphere with a radius of 0.145m and a mass of 12.0kg if it is rotating at 6.20rad/s about an axis through its center. K =   J   K =   J   K =   J   L =   kg?m2/s  

Explanation / Answer

A)

moment of Inertia of sphere, I = (2/5)*M*R^2

= 0.4*12*0.145^2

= 0.1 kg.m^2

angular momentum, L = I*w

= 0.1*6.2

= 0.62 kg.m^2/s <<<<<<<--------Answer


B)

KE = 0.5*I*w^2

= 0.5*0.1*6.2^2

= 1.92 J <<<<<<<--------Answer

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