A Horizontal Disk Rotates About a Vertical Axis Through Its

question 18

Multiple Choice

A horizontal disk rotates about a vertical axis through its center.Point P is midway between the center and the rim of the disk,and point Q is on the rim.If the disk turns with constant angular velocity,which of the following statements about it are true? (There may be more than one correct choice.)

• A) P and Q have the same linear acceleration.
• B) Q is moving twice as fast as P.
• C) The linear acceleration of Q is twice as great as the linear acceleration of P.
• D) The linear acceleration of P is twice as great as the linear acceleration of Q.
• E) The angular velocity of Q is twice as great as the angular velocity of P.

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Definitions:

Yield Burning

The practice of financial intermediaries marking up the prices on bonds to reduce the yield, often in the context of municipal bond refinancing.

Underpricing

The practice of setting the initial offering price of a security, typically a stock, below its market value.

Public Issue

The offering of shares by a company to the public for the first time to raise capital.

Standby Fee

A charge paid to a lender or service provider for keeping credit or facilities available to a borrower, even if not currently used.