Multiple Choice
A 4-kg mass on a spring is released 5 m away from equilibrium position and takes 1.5 s to reach its equilibrium position. (a) Find the spring's force constant. (b) Find the object's max speed.
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17. Periodic Motion
Intro to Simple Harmonic Motion (Horizontal Springs)
Multiple Choice
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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