A mass of 0.8 kg is attached to a horizontal spring whose stiffness is 10 N/m. Friction is negligible. At t = 0 the spring has a stretch of 0.26 m and the mass has a speed of 5 m/s. Find the initial kinetic energy of the mass. K = J. Find the initial elastic potential energy stored in the spring. Uj = J Find the total initial mechanical energy of the mass-spring system. Ej = J %3D Find the kinetic energy of the mass- spring system when the spring is stretched to the maximum. Kf = J %3D What is the amplitude (maximum stretch) of the oscillation? Sf,max = m.

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A mass of 0.8 kg is attached to a horizontal spring
whose stiffness is 10 N/m. Friction is negligible. At
t = 0 the spring has a stretch of 0.26 m and the
mass has a speed of 5 m/s.
Find the initial kinetic energy of the
mass.
K =
J.
Find the initial elastic potential
energy stored in the spring.
Uj =
J
Find the total initial mechanical
energy of the mass-spring system.
Ej =
J
Find the kinetic energy of the mass-
spring system when the spring is stretched to the
maximum.
Kf =
J
%3D
What is the amplitude (maximum
stretch) of the oscillation?
Sf,max =
m.
%3D
Transcribed Image Text:A mass of 0.8 kg is attached to a horizontal spring whose stiffness is 10 N/m. Friction is negligible. At t = 0 the spring has a stretch of 0.26 m and the mass has a speed of 5 m/s. Find the initial kinetic energy of the mass. K = J. Find the initial elastic potential energy stored in the spring. Uj = J Find the total initial mechanical energy of the mass-spring system. Ej = J Find the kinetic energy of the mass- spring system when the spring is stretched to the maximum. Kf = J %3D What is the amplitude (maximum stretch) of the oscillation? Sf,max = m. %3D
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