Calculate the angular momentum of a soliduniform sphere with a radius of 0.120 m

Question

Calculate the angular momentum of a soliduniform sphere with a radius of 0.120 m and a mass of14.0kg if it is rotating at 6.00 rad/s about an axisthrough its center.                   L=      kg.m2/s b)Calculate kinetic energy of a solid uniformsphere with a radius of 0.120 m and a mass of 14.0 kg ifit is rotating at 6.00 rad/s about an axis through itscenter. Calculate the angular momentum of a soliduniform sphere with a radius of 0.120 m and a mass of14.0kg if it is rotating at 6.00 rad/s about an axisthrough its center.                   L=      kg.m2/s b)Calculate kinetic energy of a solid uniformsphere with a radius of 0.120 m and a mass of 14.0 kg ifit is rotating at 6.00 rad/s about an axis through itscenter.

Explanation / Answer

a)Calculate the angular momentum of a solid uniform sphere with aradius of 0.120 m and a mass of 14.0kg if it is rotatingat 6.00 rad/s about an axis through its center. L=I I=(2/5)mR2 L= (2/5)mR2 L= (2/5)14.0(0.120)2 6.00 L=0.483 kg m2/s b)Calculate kinetic energy of a solid uniformsphere with a radius of 0.120 m and a mass of 14.0 kg ifit is rotating at 6.00 rad/s about an axis through itscenter. Ke=0.5I2 Ke=0.5(2/5)m (R )2 Ke= (1/5)14.0 (0.12 x 6.0)2 Ke= 1.45J Please let me know if you have any questions.

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