Which of the following is TRUE?

A 1.0 kg solid lead ball is attached to a .5 m string and swung in a circle. The ball’s speed at the end of the string is 2.5 m/s. What is the ball’s rotational inertia? (I=mr2)

Beginning from a rest position, a solid disk A, a solid ball B, and a hoop C, race down an incline. Rank them in order of finishing: winner, second place, and third place.

Which will have the greater acceleration rolling down an incline-- a hoop or a solid disk?

Which will swing to and fro more often, a short pendulum or a long pendulum?

If a skater who is spinning pulls her arms in so as to reduce her rotational inertia to half, how much will her angular momentum increase?

If a skater who is spinning pulls her arms in so as to reduce her rotational inertia to half, how much will her rate of spin increase?

Which has greater linear speed, a horse near the outside rail of a race track or one near the inside rail?

Which description would produce the greatest torque?

The rotational inertia of an object is greater when most of the mass is located

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