A Man, Holding a Weight in Each Hand, Stands at the Center

question 20

Multiple Choice

A man, holding a weight in each hand, stands at the center of a horizontal frictionless rotating turntable.The effect of the weights is to double the rotational inertia of the system.As he is rotating, the man opens his hands and drops the two weights.They fall outside the turntable.Then:

• A)his angular velocity doubles
• B)his angular velocity remains about the same
• C)his angular velocity is halved
• D)the direction of his angular momentum vector changes
• E)his rotational kinetic energy increases

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Definitions:

Cash Cycle

The duration of time a company takes to convert its inventory and other resource inputs into cash flows from sales.

Inventory Period

The average time it takes for a company to turn its inventory into sales, often used to evaluate the efficiency of inventory management.

Accounts Payable Period

The average number of days it takes for a business to pay off its creditors and suppliers.

Receivables Turnover

A financial metric indicating how quickly a company collects payments from its customers, calculated as sales divided by accounts receivable.