A mass on a spring vibrates in simple harmonic motion at a frequency of 4.0 Hz and an amplitude of 5.0 cm. If a timer is started when its displacement is a maximum (hence x = 5 cm when t = 0), what is the acceleration magnitude when t = 3 s?

a. 31.6 m/s2
c. 10.5 m/s2
b. 15.8 m/s2
d. zero


A

Physics & Space Science

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