How Long Does It Take for a Rotating Object to Speed

question 138

Multiple Choice

How long does it take for a rotating object to speed up from 15.0 rad/s to 33.3 rad/s if it has a uniform angular acceleration of $3.45 \mathrm { rad } / \mathrm { s } ^ { 2 } ?$

• A) 9.57 s
• B) 10.6 s
• C) 63.1 s
• D) 5.30 s
• E) 4.35 s

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Definitions:

Net Present Value

The calculation used to determine the current value of a series of future cash flows by discounting them at a specific rate.

Cash Inflows

Any money coming into a company from various sources, including sales, financing, and investments.

Investment Proposal

A plan or suggestion put forward for consideration by others, typically involving expenditure on assets in expectation of achieving returns.

Simple Rate of Return

The simple rate of return is a financial metric that calculates the percentage increase or decrease in value of an investment over a specific period.