Multiple Choice
A mass on a spring vibrates in simple harmonic motion at a frequency of 2 Hz and an amplitude of 7 cm.If a timer is started when its displacement is a maximum (hence x = 7 cm when t = 0) ,what is the speed of the mass when t = 7 s?
A) zero
B) 87.965 m/s
C) 9.016 m/s
D) 7 m/s
E) 43.982 m/s
Correct Answer:
Verified
Correct Answer:
Verified
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