A Solid Uniform Sphere of Mass 1

question 42

Multiple Choice

A solid uniform sphere of mass 1.85 kg and diameter 45.0 cm spins about an axle through its center.Starting with an angular velocity of 2.40 rev/s,it stops after turning through 18.2 rev with uniform acceleration.The net torque acting on this sphere as it is slowing down is closest to

• A) 0.00593 N • m.
• B) 0.0372 N • m.
• C) 0.0466 N • m.
• D) 0.0620 N • m.
• E) 0.149 N • m.

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