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5. (ENERGY CONSERVATION) Consider the system shown in the figure below, with two blocks of equal mass m = 2 kg connected by a taut cord over a frictionless pulley, and the leftmost block attached to a spring with spring constant k end of the spring is tethered to the wall. The coefficient of kinetic friction between the = 100 N/m. The other leftmost block and the table is = 1. The system is held with the spring at its relaxed (or equilibrium) length and then released. per m Mk=1/4 m (a) How far does the spring stretch before the blocks come to rest? (b) If the cord connecting the two blocks is then severed, untethering the block on the table to the hanging block, what would be the minimal required coefficient of static friction (us) between the block and the table in order for the block on the table to remain stationary?

5. (ENERGY CONSERVATION) Consider the system shown in the figure below, with two blocks of equal mass m = 2 kg connected by a taut cord over a frictionless pulley, and the leftmost block attached to a spring with spring constant k end of the spring is tethered to the wall. The coefficient of kinetic friction between the = 100 N/m. The other leftmost block and the table is = 1. The system is held with the spring at its relaxed (or equilibrium) length and then released. per m Mk=1/4 m (a) How far does the spring stretch before the blocks come to rest? (b) If the cord connecting the two blocks is then severed, untethering the block on the table to the hanging block, what would be the minimal required coefficient of static friction (us) between the block and the table in order for the block on the table to remain stationary?

Physics for Scientists and Engineers: Foundations and Connections
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter9: Energy In Nonisolated Systems
Section: Chapter Questions
Problem 50PQ: A small 0.65-kg box is launched from rest by a horizontal spring as shown in Figure P9.50. The block...
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LO 5. (ENERGY CONSERVATION) Consider the system shown in the figure below, with two blocks of equal mass m = 2 kg connected by a taut cord over a frictionless pulley, and the leftmost block attached to a spring with spring constant k end of the spring is tethered to the wall. The coefficient of kinetic friction between the 100 N/m. The other leftmost block and the table is = 1. The system is held with the spring at its relaxed (or equilibrium) length and then released. k felé m Mk=1/4 m (a) How far does the spring stretch before the blocks come to rest? (b) If the cord connecting the two blocks is then severed, untethering the block on the table to the hanging block, what would be the minimal required coefficient of static friction (s) between the block and the table in order for the block on the table to remain stationary?
Transcribed Image Text:LO 5. (ENERGY CONSERVATION) Consider the system shown in the figure below, with two blocks of equal mass m = 2 kg connected by a taut cord over a frictionless pulley, and the leftmost block attached to a spring with spring constant k end of the spring is tethered to the wall. The coefficient of kinetic friction between the 100 N/m. The other leftmost block and the table is = 1. The system is held with the spring at its relaxed (or equilibrium) length and then released. k felé m Mk=1/4 m (a) How far does the spring stretch before the blocks come to rest? (b) If the cord connecting the two blocks is then severed, untethering the block on the table to the hanging block, what would be the minimal required coefficient of static friction (s) between the block and the table in order for the block on the table to remain stationary?
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