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My Notes A toy cannon uses a spring to project a 5.35-g soft rubber ball. The...

My Notes

A toy cannon uses a spring to project a 5.35-g soft rubber ball. The spring is originally compressed by 5.07 cm and has a force constant of 8.06 N/m. When the cannon is fired, the ball moves 14.8 cm through the horizontal barrel of the cannon, and the barrel exerts a constant friction force of 0.031 5 N on the ball.

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

(b) At what point does the ball have maximum speed?
cm (from its original position)

(c) What is this maximum speed?
m/s

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