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A simple harmonic oscillator is composed of a mass hanging from a spring. The mass of...

A simple harmonic oscillator is composed of a mass hanging from a spring. The mass of the hanging object is 400 g and the spring constant is 0.8 ?/? . At the time ? = 0 ?, the mass is 2cm above its equilibrium position. The amplitude of the oscillation is 5 cm.

a) What is the initial phase?

b) Find one of the times where the mass is located at 3cm above equilibrium.

c) Find the kinetic and potential energies at ? = 1?.

d) What is the maximum kinetic energy?

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γ@u(OY ulan 冫2(m @tmi Kal phase φ/T.TS yad | anhal emert

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