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Simple Harmonic Motion Conceptual Question

Please help to explain the following graphs & questions in attachment.

An object of mass is attached to a vertically oriented spring. The object is pulled a short distance below its equilibrium position and released from rest. Set the origin of the coordinate system at the equilibrium position of the object and choose upward as the positive direction. Assume air resistance is so small that it can be ignored.

Refer to these graphs when answering the following questions.

(see attachment)

Part A:
Beginning the instant the object is released, select the graph that best matches the position vs. time graph for the object.

Part B:
Beginning the instant the object is released; select the graph that best matches the velocity vs. time graph for the object.

Part C:
Beginning the instant the object is released; select the graph that best matches the acceleration vs. time graph for the object.

Attachments

Solution Summary

This provides graphs that best match position vs. time, velocity vs. time and acceleration vs. time graphs for objects.

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