A mass on a spring vibrates in simple harmonic motion at afrequency of 4.0 Hz and an amplitude of 4.0 cm. If a timer isstarted when its displacement is a maximum (hence x = 4 cm when t =0),

What is the speed of the mass when t = 3 s?

What is the acceleration magnitude at t = 3s?

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yoyiluis05Lv3

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