A block of mass m = 2.00 kg is attached to a spring of force constant k = 570 N/m as shown in the figure below. The block is pulled to a position x; = 5.45 cm to the right of equilibrium and released from rest. x = 0 m x = x; i (a) Find the speed the block has as it passes through equilibrium if the horizontal surface is frictionless. 0.671 x How much energy is stored in the spring when it is at equilibrium? m/s
A block of mass m = 2.00 kg is attached to a spring of force constant k = 570 N/m as shown in the figure below. The block is pulled to a position x; = 5.45 cm to the right of equilibrium and released from rest. x = 0 m x = x; i (a) Find the speed the block has as it passes through equilibrium if the horizontal surface is frictionless. 0.671 x How much energy is stored in the spring when it is at equilibrium? m/s
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Transcribed Image Text:A block of mass m = 2.00 kg is attached to a spring of force constant k = 570 N/m as shown in the figure below. The block is pulled to a position x; = 5.45 cm to
the right of equilibrium and released from rest.
k
m
x=0 x = x; i
(a) Find the speed the block has as it passes through equilibrium if the horizontal surface is frictionless.
0.671
X
How much energy is stored in the spring when it is at equilibrium? 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 µ = 0.350.
m/s
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