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 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 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 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 L = kg?m2/s L = kg?m2/s 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/sExplanation / 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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