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Unformatted text preview: AP Physics Simple Harmonic Motion / Oscillations Practice Test Multiple Choice: Identify the choice that best completes the statement or answers the question. ____ 1. A body of mass 5.0 kg is suspended by a spring which stretches 10 cm when the mass is attached. It is then displaced downward an additional 5.0 cm and released. Its position as a function of time is approximately a. y = .10 sin 9.9 t b. y = .10 cos 9.9 t c. y = .10 cos (9.9 t + .1) d. y = .10 sin (9.9 t + 5) e. y = .05 cos 9.9 t ____ 2. The motion of a particle connected to a spring is described by x = 10 sin ( t ). At what time (in s) is the potential energy equal to the kinetic energy? a. 0 b. 0.25 c. 0.50 d. 0.79 e. 1.0 ____ 3. A mass m = 2.0 kg is attached to a spring having a force constant k = 290 N/m as in the figure. The mass is displaced from its equilibrium position and released. Its frequency of oscillation (in Hz) is approximately a. 12 b. 0.50 c. 0.01 d. 1.9 e. 0.08 ____ 4. Two circus clowns (each having a mass of 50 kg) swing on two flying trapezes (negligible mass, length 25 m)...
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 Spring '08
 ERSKINE/TSOI

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