At a Certain Instant,a Compact Disc Is Rotating at 210

question 25

Multiple Choice

At a certain instant,a compact disc is rotating at 210 rpm.What is its angular speed in rad/s?

• A)11 rad/s
• B)22 rad/s
• C)45 rad/s
• D)69 rad/s
• E)660 rad/s

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Definitions:

Present Value Index

A financial calculation that allows the comparison of the present value of cash inflows to the present value of cash outflows.

Rate of Return

A measure of the profitability of an investment, expressed as a percentage of the original investment.

Desired Rate

A targeted rate of return or performance that a company or individual aims to achieve, often used in financial and operational planning.

Present Value Methods

Techniques used to estimate the current value of future cash flows, discounting them at a specified rate.