A toy cannon uses a spring to project a 5.35-g soft rubber ball. The spring is originally compressed by 4.94 cm and has a force constant of 8.07 N/m. When the cannon is fired, the ball moves 15.8 cm through the horizontal barrel of the cannon, and the barrel exerts a constant friction force of 0.032 8 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

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Chapter8: Conservation Of Energy
Section: Chapter Questions
Problem 8.21P: A toy cannon uses a spring to project a 5.30-g soft rubber ball. The spring is originally compressed...
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A toy cannon uses a spring to project a 5.35-g soft rubber ball. The spring is originally compressed by 4.94 cm and has a force
constant of 8.07 N/m. When the cannon is fired, the ball moves 15.8 cm through the horizontal barrel of the cannon, and the
barrel exerts a constant friction force of 0.032 8 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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Transcribed Image Text:A toy cannon uses a spring to project a 5.35-g soft rubber ball. The spring is originally compressed by 4.94 cm and has a force constant of 8.07 N/m. When the cannon is fired, the ball moves 15.8 cm through the horizontal barrel of the cannon, and the barrel exerts a constant friction force of 0.032 8 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 Need Help? Read It Watch It
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