A toy cannon uses a spring to project a 5.28-g soft rubber ball. The spring is originally compressed by 4.97 cm and has a force constant of 7.94 N/m. When the cannon is fired, the ball moves 14.5 cm through the horizontal barrel of the cannon, and the barrel exerts a constant friction force of 0.031 6 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

College Physics
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A toy cannon uses a spring to project a 5.28-g soft rubber ball. The spring is originally compressed by 4.97 cm and has a force constant of 7.94 N/m. When the
cannon is fired, the ball moves 14.5 cm through the horizontal barrel of the cannon, and the barrel exerts a constant friction force of 0.031 6 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
Transcribed Image Text:A toy cannon uses a spring to project a 5.28-g soft rubber ball. The spring is originally compressed by 4.97 cm and has a force constant of 7.94 N/m. When the cannon is fired, the ball moves 14.5 cm through the horizontal barrel of the cannon, and the barrel exerts a constant friction force of 0.031 6 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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