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Use the Figure to the Right to Answer the Next

question 36

Multiple Choice

Use the figure to the right to answer the next problem.
A ball of mass of mass m is tied with a light string to a vertical post of radius Rp and slides on a frictionless horizontal surface. As the ball travels around the post, the string wraps around the post, shortening the length. At t = 0 s, its speed is vo and radius is ro. Use the figure to the right to answer the next problem. A ball of mass of mass m is tied with a light string to a vertical post of radius R<sub>p</sub> and slides on a frictionless horizontal surface. As the ball travels around the post, the string wraps around the post, shortening the length. At t = 0 s, its speed is v<sub>o</sub> and radius is r<sub>o</sub>.   -What is the angular momentum of the ball after the string has wrapped once around the post? A)    B)    C)    D)    E)  cannot be determined
-What is the angular momentum of the ball after the string has wrapped once around the post?

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Puberty

The period of life at which one becomes functionally capable of reproduction.

Pineal Body

A tiny gland in the brain that secretes melatonin, a hormone that controls sleep cycles.

Under Sternum

Refers to the area located beneath the sternum or breastbone, a central location in the chest.

Thymus

A gland located in the upper chest that helps develop the body's immune system in early life.

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