C 9. A spring (oriented horizontally, k = 40 N/m) is attached to the left side wall in a room = 0.5 kg), at rest on the floor, is whose floor is frictionless. A small, dense mass (m attached to the right side of the spring. The unelongated spring length is 0.6 m. A person then begins to pull on the system to the right with an applied force of 20 N. This force is applied until the spring elongates by 0.25 m. The force then instantly disappears. Find the speed of the block when the applied force vanishes. A. 2.9 m/s B. 3.9 m/s C. 4.9 m/s D. 5.9 m/s

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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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9.
A spring (oriented horizontally, k = 40 N/m) is attached to the left side wall in a room
= 0.5 kg), at rest on the floor, is
whose floor is frictionless. A small, dense mass (m
attached to the right side of the spring. The unelongated spring length is 0.6 m. A
person then begins to pull on the system to the right with an applied force of 20 N. This
force is applied until the spring elongates by 0.25 m. The force then instantly
disappears. Find the speed of the block when the applied force vanishes.
T
A. 2.9 m/s
B. 3.9 m/s
C. 4.9 m/s
D. 5.9 m/s
Transcribed Image Text:( 9. A spring (oriented horizontally, k = 40 N/m) is attached to the left side wall in a room = 0.5 kg), at rest on the floor, is whose floor is frictionless. A small, dense mass (m attached to the right side of the spring. The unelongated spring length is 0.6 m. A person then begins to pull on the system to the right with an applied force of 20 N. This force is applied until the spring elongates by 0.25 m. The force then instantly disappears. Find the speed of the block when the applied force vanishes. T A. 2.9 m/s B. 3.9 m/s C. 4.9 m/s D. 5.9 m/s
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