A Mass on a Spring Vibrates in Simple Harmonic Motion

question 1

Multiple Choice

A mass on a spring vibrates in simple harmonic motion at a frequency of 4.0 Hz and an amplitude of 4.0 cm.If a timer is started when its displacement is a maximum (hence x = 4 cm when t = 0) ,what is the acceleration magnitude when t = 3 s?

• A)zero
• B)8.13 m/s²
• C)14.3 m/s²
• D)25.3 m/s²

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