A toy cannon uses a spring to project a 5.30-g soft rubberball. The spring is originally
Chapter 8, Problem 21(choose chapter or problem)
A toy cannon uses a spring to project a 5.30-g soft rubberball. The spring is originally compressed by5.00 cm and has a force constant of 8.00 N/m. Whenthe cannon is fired, the ball moves 15.0 cm throughthe horizontal barrel of the cannon, and the barrelexerts a constant friction force of 0.032 0 N on the ball.(a) With what speed does the projectile leave the barrel of the cannon? (b) At what point does the ball havemaximum speed? (c) What is this maximum speed?
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