Problem: A 45 g rock is placed in a slingshot and the rubber band is stretched. The magnitude of the force of the rubber band on the rock is shown by the graph in . The rubber band is stretched 30 cm and then released.What is the speed of the rock?

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A 45 g rock is placed in a slingshot and the rubber band is stretched. The magnitude of the force of the rubber band on the rock is shown by the graph in The figure is a stretching force versus distance graph. The stretching force F subscript Sp in newtons is plotted on the ordinate axis while distance x in centimeters is plotted on the abscissa axis. F subscript Sp is equal to 0 at x equal to 0, and then increases linearly to 60 newtons as the distance increases to 30 centimeters. . The rubber band is stretched 30 cm and then released.

What is the speed of the rock?

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