A solid uniform-density sphere is tied to a rope and moves (without spinning) in a circle with

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Question:

A solid uniform-density sphere is tied to a rope and moves (without spinning) in a circle with speed 7 m/s. The distance from the center of the circle to the center of the sphere is 1.7 m, the mass of the sphere is 6 kg, and the radius of the sphere is 0.70 m.

(a) What is the angular speed??

Angular speed = radians/s

(b) What is the rotational kinetic energy of the sphere?

Krot = J

Ktotal = J