A toy gun uses a spring to project a 4.8-g soft rubber sphere horizontally. The spring constant is 8.0 N/m, the barrel of the gun is 12 cm long, and a constant frictional force of 0.038 N exists between barrel and projectile. With what speed does the projectile leave the barrel if the spring was compressed 6.8 cm for this launch? (Assume the projectile is in contact with the barrel for the full 12 cm.)
A toy gun uses a spring to project a 4.8-g soft rubber sphere horizontally. The spring constant is 8.0 N/m, the barrel of the gun is 12 cm long, and a constant frictional force of 0.038 N exists between barrel and projectile. With what speed does the projectile leave the barrel if the spring was compressed 6.8 cm for this launch? (Assume the projectile is in contact with the barrel for the full 12 cm.)
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter8: Conservation Of Energy
Section: Chapter Questions
Problem 24PQ: A block is placed on top of a vertical spring, and the spring compresses. Figure P8.24 depicts a...
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A toy gun uses a spring to project a 4.8-g soft rubber sphere horizontally. The spring constant is 8.0 N/m, the barrel of the gun is 12 cm long, and a constant frictional force of 0.038 N exists between barrel and projectile. With what speed does the projectile leave the barrel if the spring was compressed 6.8 cm for this launch? (Assume the projectile is in contact with the barrel for the full 12 cm.)
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