A block of mass m = 2.00 kg is attached to a spring of force constant k = 590 N/m as shown in the figure below. The block is pulled to a position x₁ = 4.05 cm to the right of equilibrium and released from rest. x=0 m x = x; (a) Find the speed the block has as it passes through equilibrium if the horizontal surface is frictionless. 0.696 m/s (b) Find the speed the block has as it passes through equilibrium (for the first time) if the coefficient of friction between block and surface is k = 0.350. 0.675 X The force of friction causes an increase in the internal energy of the system and a decrease in the total mechanical energy. m/s

Principles of Physics: A Calculus-Based Text
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Chapter7: Conservation Of Energy
Section: Chapter Questions
Problem 15P: A block of mass m = 2.00 kg is attached to a spring of force constant k = 500 N/m as shown in Figure...
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A block of mass m = 2.00 kg is attached to a spring of force constant k
is pulled to a position x; = 4.05 cm to the right of equilibrium and released from rest.
k
x=0
m
x = x₁
590 N/m as shown in the figure below. The block
(a) Find the speed the block has as it passes through equilibrium if the horizontal surface is frictionless.
0.696
m/s
(b) Find the speed the block has as it passes through equilibrium (for the first time) if the coefficient of friction
between block and surface is Mk = 0.350.
0.675
The force of friction causes an increase in the internal energy of the system and a decrease in the total mechanical
energy. m/s
Transcribed Image Text:= A block of mass m = 2.00 kg is attached to a spring of force constant k is pulled to a position x; = 4.05 cm to the right of equilibrium and released from rest. k x=0 m x = x₁ 590 N/m as shown in the figure below. The block (a) Find the speed the block has as it passes through equilibrium if the horizontal surface is frictionless. 0.696 m/s (b) Find the speed the block has as it passes through equilibrium (for the first time) if the coefficient of friction between block and surface is Mk = 0.350. 0.675 The force of friction causes an increase in the internal energy of the system and a decrease in the total mechanical energy. m/s
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