Problem

A mass-spring system with an angular frequency ω = 8π rad/s oscillates back and forth. (a) Assuming it starts from rest, how much time passes before the mass has a speed of 0 again? (b) How many full cycles does the system complete in 60s?

A

1/4 s; 480 cycles

B

1/8 s; 480 cycles

C

1/8 s; 240 cycles

D

1/4 s; 240 cycles

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