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A 200-Kg Sphere Is Rotating About an Axis Through Its Center

Question 40

Multiple Choice

A 2.00-kg sphere is rotating about an axis through its center at 40.0 rev/s with the angular velocity in the +z direction. A torque 10.0 N∙m acts on the sphere about the center of the sphere in the +x direction. What is the rate of change of the angular momentum of the sphere?


A) -20.0 kg∙m2/s2 A 2.00-kg sphere is rotating about an axis through its center at 40.0 rev/s with the angular velocity in the +z direction. A torque 10.0 N∙m acts on the sphere about the center of the sphere in the +x direction. What is the rate of change of the angular momentum of the sphere? A) -20.0 kg∙m<sup>2</sup>/s<sup>2</sup> B) 20.0 kg∙m<sup>2</sup>/s<sup>2</sup> C) 80.0 kg∙m<sup>2</sup>/s<sup>2</sup> D) 8.00 kg∙m<sup>2</sup>/s<sup>2</sup> E) 10.0 kg∙m<sup>2</sup>/s<sup>2</sup>
B) 20.0 kg∙m2/s2 A 2.00-kg sphere is rotating about an axis through its center at 40.0 rev/s with the angular velocity in the +z direction. A torque 10.0 N∙m acts on the sphere about the center of the sphere in the +x direction. What is the rate of change of the angular momentum of the sphere? A) -20.0 kg∙m<sup>2</sup>/s<sup>2</sup> B) 20.0 kg∙m<sup>2</sup>/s<sup>2</sup> C) 80.0 kg∙m<sup>2</sup>/s<sup>2</sup> D) 8.00 kg∙m<sup>2</sup>/s<sup>2</sup> E) 10.0 kg∙m<sup>2</sup>/s<sup>2</sup>
C) 80.0 kg∙m2/s2 A 2.00-kg sphere is rotating about an axis through its center at 40.0 rev/s with the angular velocity in the +z direction. A torque 10.0 N∙m acts on the sphere about the center of the sphere in the +x direction. What is the rate of change of the angular momentum of the sphere? A) -20.0 kg∙m<sup>2</sup>/s<sup>2</sup> B) 20.0 kg∙m<sup>2</sup>/s<sup>2</sup> C) 80.0 kg∙m<sup>2</sup>/s<sup>2</sup> D) 8.00 kg∙m<sup>2</sup>/s<sup>2</sup> E) 10.0 kg∙m<sup>2</sup>/s<sup>2</sup>
D) 8.00 kg∙m2/s2 A 2.00-kg sphere is rotating about an axis through its center at 40.0 rev/s with the angular velocity in the +z direction. A torque 10.0 N∙m acts on the sphere about the center of the sphere in the +x direction. What is the rate of change of the angular momentum of the sphere? A) -20.0 kg∙m<sup>2</sup>/s<sup>2</sup> B) 20.0 kg∙m<sup>2</sup>/s<sup>2</sup> C) 80.0 kg∙m<sup>2</sup>/s<sup>2</sup> D) 8.00 kg∙m<sup>2</sup>/s<sup>2</sup> E) 10.0 kg∙m<sup>2</sup>/s<sup>2</sup>
E) 10.0 kg∙m2/s2 A 2.00-kg sphere is rotating about an axis through its center at 40.0 rev/s with the angular velocity in the +z direction. A torque 10.0 N∙m acts on the sphere about the center of the sphere in the +x direction. What is the rate of change of the angular momentum of the sphere? A) -20.0 kg∙m<sup>2</sup>/s<sup>2</sup> B) 20.0 kg∙m<sup>2</sup>/s<sup>2</sup> C) 80.0 kg∙m<sup>2</sup>/s<sup>2</sup> D) 8.00 kg∙m<sup>2</sup>/s<sup>2</sup> E) 10.0 kg∙m<sup>2</sup>/s<sup>2</sup>

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