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- You have a metal spring of negligible mass that has spring constant k. The spring is supporting an object of mass m which is oscillating up and down with an angular frequency of w. What happens when a large steady current passes through the spring? O The oscillations gradually slow down until they come to a complete stop O The mass continues to oscillate with a reduced oscillation period O The mass continues to oscillate with an increased oscillation period O The mass continues to oscillate with the same oscillation periodPart 2) An organ pipe of length L = 4.6 m is open at both ends. It is driven to oscillate with a standing wave that has two nodes within the pipe. (a) What is the wavelength of the standing wave? m (b) If the speed of sound in air is 330m/s, what is the frequency that the organ pipe is oscillating at in this mode? HzProblem 5: A mass m = 1.81 kg hangs at the end of a vertical spring whose top end is fixed to the ceiling. The spring has spring constant k = 86 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 = 0.55 m below its equilibrium height with an upward speed of vo = 4.1 m/s. Determine the phase angle of the motion, in radians. ) Determine the amplitude of the motion, in m. Determine the distance from equilibrium, in m, when the mass moves with a speed half its initial speed.