A light spring with force constant 3.00 N/m is compressed by 7.60 cm as it is held between a 0.300-kg block on the left and a 0.600-kg block on the right, both resting on a horizontal surface. The spring exerts a force on each block, tending to push the blocks apart. The blocks are simultaneously released from rest. Find the acceleration with which each block starts to move, given that the coefficient of kinetic friction between each block and the surface is 0, 0.052, and 0.414. (Let the coordinate system be positive to the right and negative to the left. Indicate the direction with the sign of your answer. Assume that the coefficient of static friction is the same as the coefficient of kinetic friction. If the block does not move, enter 0.) (a) u = 0 heavier block Your response differs from the correct answer by more than 10%. Double check your calculations. m/s2 lighter block Your response differs from the correct answer by more than 10%. Double check your calculations. m/s? (b) H = 0.052 heavier block m/s2 m/s² lighter block (c) με 0.414 heavier block m/s2 m/s² lighter block

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter6: Energy Of A System
Section: Chapter Questions
Problem 26P
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A light spring with force constant 3.00 N/m is compressed by 7.60 cm as it is held between a 0.300-kg block on the left and a 0.600-kg block on the right, both resting on a horizontal surface. The spring exerts a
force on each block, tending to push the blocks apart. The blocks are simultaneously released from rest. Find the acceleration with which each block starts to move, given that the coefficient of kinetic friction
between each block and the surface is 0, 0.052, and 0.414. (Let the coordinate system be positive to the right and negative to the left. Indicate the direction with the sign of your answer. Assume that the
coefficient of static friction is the same as the coefficient of kinetic friction. If the block does not move, enter 0.)
( a) μ=0
heavier block
Your response differs from the correct answer by more than 10%. Double check your calculations. m/s2
lighter block
Your response differs from the correct answer by more than 10%. Double check your calculations. m/s2
(b)
u = 0.052
heavier block
m/s2
lighter block
m/s2
(c)
u = 0.414
heavier block
m/s2
lighter block
m/s2
Transcribed Image Text:A light spring with force constant 3.00 N/m is compressed by 7.60 cm as it is held between a 0.300-kg block on the left and a 0.600-kg block on the right, both resting on a horizontal surface. The spring exerts a force on each block, tending to push the blocks apart. The blocks are simultaneously released from rest. Find the acceleration with which each block starts to move, given that the coefficient of kinetic friction between each block and the surface is 0, 0.052, and 0.414. (Let the coordinate system be positive to the right and negative to the left. Indicate the direction with the sign of your answer. Assume that the coefficient of static friction is the same as the coefficient of kinetic friction. If the block does not move, enter 0.) ( a) μ=0 heavier block Your response differs from the correct answer by more than 10%. Double check your calculations. m/s2 lighter block Your response differs from the correct answer by more than 10%. Double check your calculations. m/s2 (b) u = 0.052 heavier block m/s2 lighter block m/s2 (c) u = 0.414 heavier block m/s2 lighter block m/s2
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