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Problem 5: A mass m = 141 kg hangs at the end of a vertical spring whose top end is fixed to the ceiling. The spring has spring constant k = 93 N/m and negligible mass. The mass undergoes simple harmonic motion when placed in vertical motion. At time t=0 the mass is observed to be at a distance d = 0.41 m below its equilibrium height with an upward speed of v= 4.5 m/s. 33% Part (a) Determine the phase angle op of the motion, in radians. -0.9300 ✔Correct! 33% Part (b) Determine the amplitude of the motion, in m. X-0.6800 ✓Correct! 33% Part (e) Determine the distance from equilibrium, in m, when the mass moves with a speed half its initial speed. dial m

Problem 5: A mass m = 141 kg hangs at the end of a vertical spring whose top end is fixed to the ceiling. The spring has spring constant k = 93 N/m and negligible mass. The mass undergoes simple harmonic motion when placed in vertical motion. At time t=0 the mass is observed to be at a distance d = 0.41 m below its equilibrium height with an upward speed of v= 4.5 m/s. 33% Part (a) Determine the phase angle op of the motion, in radians. -0.9300 ✔Correct! 33% Part (b) Determine the amplitude of the motion, in m. X-0.6800 ✓Correct! 33% Part (e) Determine the distance from equilibrium, in m, when the mass moves with a speed half its initial speed. dial m

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Problem 5: A mass m = 141 kg hangs at the end of a vertical spring whose top end is fixed to the ceiling. The spring has spring constant k = 93 N/m and negligible mass. The mass undergoes simple harmonic motion when placed in vertical motion. At time t=0 the mass is observed to be at a distance d = 0.41 m below its equilibrium height with an upward speed of vo = 4.5 m/s. 33% Part (a) Determine the phase angle qp of the motion, in radians. -0.9300 ✓ Correct! 33% Part (b) Determine the amplitude of the motion, in m. X-0.6800 ✓ Correct! 33% Part (c) Determine the distance from equilibrium, in m, when the mass moves with a speed half its initial speed. id₁21=1
Transcribed Image Text:Problem 5: A mass m = 141 kg hangs at the end of a vertical spring whose top end is fixed to the ceiling. The spring has spring constant k = 93 N/m and negligible mass. The mass undergoes simple harmonic motion when placed in vertical motion. At time t=0 the mass is observed to be at a distance d = 0.41 m below its equilibrium height with an upward speed of vo = 4.5 m/s. 33% Part (a) Determine the phase angle qp of the motion, in radians. -0.9300 ✓ Correct! 33% Part (b) Determine the amplitude of the motion, in m. X-0.6800 ✓ Correct! 33% Part (c) Determine the distance from equilibrium, in m, when the mass moves with a speed half its initial speed. id₁21=1
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