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A block is attached to a spring. It is sliding back and forth on a frictionless...

A block is attached to a spring. It is sliding bacA block is attached to a spring. It is sliding back and forth on a frictionless surface. The graph below represents the displacement of the block from equilibrium as a function of time. Graph of displacement versus time with several points labelled by letters Evaluate each of the following statements:

The speed at point G is at a maximum.

The amplitude of the motion is 30cm.

The speed at point D is _____ the speed at point B.

The speed at point H is _____ the speed at point D

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Answer #1

(1) The speed at point G is at a maximum - True

(2) The amplitude of the motion is 30cm.- Flase ( amplitude is 15 cm )

(3)The speed at point D is greater than the speed at point B.

(4) The speed at point H is equal to the speed at point D

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