Question: A 50 g rock is placed in a slingshot and the rubber band is stretched. The magnitude of the force of the rubber band on

A 50 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 FIGURE P9.55. The rubber band is stretched 30 cm and then released. What is the speed of the rock?

Fsp (N) 60 40 - 20 -x (ст) 30 10 FIGURE P9.55

Fsp (N) 60 40 - 20 -x () 30 10 FIGURE P9.55

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