A Puck Moves on a Horizontal Air Table $\sqrt { 2 }$

question 86

Multiple Choice

A puck moves on a horizontal air table. It is attached to a string that passes through a hole in the center of the table. As the puck rotates about the hole, the string is pulled downward very slowly and shortens the radius of rotation, so the puck gradually spirals in towards the center. By what factor will the puck's angular speed have changed when the string's length has decreased to one-half of its original length?

• A) 2
• B) 4
• C) \(\sqrt { 2 }\)
• D) 1
• E) 1/2

Understand the distinctions between types of contracts and their enforceability.

Know the implications of contracts involving competition restrictions.

Distinguish between different forms of contracts and the necessity of writing for enforceability.

Recognize the role of public policy in the validity of contracts.

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Definitions:

Signature Card

A document signed by an account holder at a financial institution that provides a specimen signature for the purpose of verifying future transactions.

ABA Code

A nine-digit identification number assigned to banks in the United States by the American Bankers Association, used for routing checks and electronic payments.

Federal Reserve District

One of the twelve regions established by the Federal Reserve Act, each with a Federal Reserve Bank, to regulate and oversee banking operations in the United States.

Routing Number

A unique nine-digit code used to identify a banking institution in the United States, essential for processing electronic transfers and checks.