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Clicker Interactive Lecture Demonstration: Simple Harmonic Motion Source: Adapted from Interactive Lecture Demonstrations: Active Learning in Introductory Physics by David R. Sokoloff and Ronald K. Thornton (Wiley, 2004)

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Consider a mass hanging on a spring. The mass is started in motion by pulling it down a small distance below the equilibrium position and releasing it. The displacement is zero whenever the mass is at its equilibrium position. + Time VEL Time POSITION Time ACCEL 0 - Individually draw the graphs that best match your prediction for the position, velocity, and acceleration of the mass after it is released.

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Consider a mass hanging on a spring. The mass is started in motion by pulling it down a small distance below the equilibrium position and releasing it. The displacement is zero whenever the mass is at its equilibrium position. + Time VEL Time POSITION Time ACCEL 0 - When asked, discuss your answer with your neighbors, and try to come to some agreement. Draw your revised answers on the graphs below. Draw the graphs that best match your prediction for the position, velocity, and acceleration of the mass after it is released.

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A + Time POSITION - B + Time POSITION 0 - C + Time POSITION 0 - D + Time POSITION 0 - E + Time POSITION 0 - Choose the position-time graph that is closest to your thinking. 1.A 2.B 3.C 4.D 5.E 60

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A + Time VELOCITY - B + Time VELOCITY 0 - C + Time VELOCITY 0 - D + Time VELOCITY 0 - E + Time VELOCITY 0 - Choose the velocity-time graph that is closest to your thinking. 1.A 2.B 3.C 4.D 5.E 60

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A + Time ACC - B + Time ACC 0 - C + Time ACC 0 - D + Time ACC 0 - E + Time ACC 0 - Choose the acceleration-time graph that is closest to your thinking. 1.A 2.B 3.C 4.D 5.E 60

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How did you do?

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