A Ball Is Whirled in a Horizontal Circle of Radius

question 46

Multiple Choice

A ball is whirled in a horizontal circle of radius r and speed v.The radius is increased to 2r keeping the speed of the ball constant.The period of the ball changes by a factor of

• A)half
• B)one
• C)two
• D)three
• E)four

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Definitions:

Congress

The United States' national law-making institution, composed of two chambers: the Senate and the House of Representatives.

Trustee

An elected representative who has the authority to make decisions on behalf of their constituents, guided by their own judgment and conscience.

Conscience

The inner sense of what is right or wrong in one's conduct or motives, urging one toward right action.

Society

A group of individuals involved in persistent social interaction, or a large social group sharing the same geographical or social territory, typically subject to the same political authority and dominant cultural expectations.