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Q. A toy cannon uses a spring to project a 5.24 g soft rubber ball. The spring is originally compressed by 4.96 cm and has a force steady of 8.03 N/m. When the cannon are fired, the ball moves 16.0 cm through the horizontal barrel of the cannon, and there is a steady frictional force of 0.0325 N between the barrel and the ball.

(a) With what speed does the projectile leave the barrel of the cannon?

(b) At what point does the ball have highest speed?

(c) What is this highest speed?

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