Physics, 30.11.2019 05:31 dolliemeredithm

Amass 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 speed of the mass when t = 3 s?

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Amass on a spring vibrates in simple harmonic motion at a frequency of 4.0 hz and an amplitude of 4....