A solid sphere of mass m = 2.70 g and radius R = 1.00 cm, is attached to one end of a vertical spring. The other end of the spring is fixed to the bottom of a tank filled with a fluid density Pfluid = 1270 kg/m³. The spring has a natural length L = 8.00 cm and a force constant k = 26.0 N/m. The sphere is submerged in the fluid and comes to rest in equilibrium, with the spring stretched by an amount x. (this problem originally said 27 grams but that was corrected to 2.7 g) A. Draw a force diagram and use it to calculate the equilibrium position of the sphere. B. Now, the sphere is pulled down slightly and released. Assuming that the motion of the sphere is a simple harmonic motion, derive the expression for the time period of oscillation. (hint, remember the differential equation for the regular spring problem we did in class.) C. Discuss how the time period of oscillation would change if the density of the fluid is increased.

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Chapter1: Units, Trigonometry. And Vectors
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A solid sphere of mass m = 2.70 g and radius R = 1.00 cm, is attached to one end of a vertical spring. The
other end of the spring is fixed to the bottom of a tank filled with a fluid density pfluid 1270 kg/m³. The
spring has a natural length L = 8.00 cm and a force constant k = 26.0 N/m. The sphere is submerged in the
fluid and comes to rest in equilibrium, with the spring stretched by an amount x. (this problem originally said 27
grams but that was corrected to 2.7 g)
GAZE
A. Draw a force diagram and use it to calculate the equilibrium position of the sphere.
B. Now, the sphere is pulled down slightly and released. Assuming that the motion of the sphere is a
simple harmonic motion, derive the expression for the time period of oscillation. (hint, remember the
differential equation for the regular spring problem we did in class.)
C. Discuss how the time period of oscillation would change if the density of the fluid is increased.
Transcribed Image Text:A solid sphere of mass m = 2.70 g and radius R = 1.00 cm, is attached to one end of a vertical spring. The other end of the spring is fixed to the bottom of a tank filled with a fluid density pfluid 1270 kg/m³. The spring has a natural length L = 8.00 cm and a force constant k = 26.0 N/m. The sphere is submerged in the fluid and comes to rest in equilibrium, with the spring stretched by an amount x. (this problem originally said 27 grams but that was corrected to 2.7 g) GAZE A. Draw a force diagram and use it to calculate the equilibrium position of the sphere. B. Now, the sphere is pulled down slightly and released. Assuming that the motion of the sphere is a simple harmonic motion, derive the expression for the time period of oscillation. (hint, remember the differential equation for the regular spring problem we did in class.) C. Discuss how the time period of oscillation would change if the density of the fluid is increased.
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