A Mass on a Spring Vibrates in Simple Harmonic Motion

question 2

Multiple Choice

A mass on a spring vibrates in simple harmonic motion at a frequency of 8.0 Hz and an amplitude of 2.0 cm.If a timer is started when its displacement is a maximum (hence x = 2.0 cm when t = 0) ,what is the speed of the mass when t = 3.0 s?

• A)zero
• B)100 m/s
• C)3.0 m/s
• D)2.0 m/s
• E)50 m/s

---

Definitions:

Money Market Security

Short-term financial instruments, typically debt-based, that are highly liquid and considered to have low risk.

U.S. Treasury Bill

A short-term government security issued by the United States Department of the Treasury with maturity periods typically less than one year.

Certificate of Deposit

A savings certificate with a fixed maturity date and specified fixed interest rate that is issued by banks.

Common Stock

Shares of ownership in a company, which entitle the holder to vote at shareholder meetings and to receive dividends.