A 1kg-block oscillates on a spring withspring constant 20 N/m on a frictionlesssurface. At t = 0 s the block is 20 cm tothe right from the equilibrium position,moving to the left with a speed of 100cm/s. Determine:(a) How do we simplify this situation? (i.e.what assumptions do we make aboutthe mass of the spring and the type ofsurface that the mass is moving across?)(b) Sketch/model the situation indicatingthe positive direction and the initialconditions.(c) Calculate the period of the oscillation.(d) Calculate the total energy of thesystem.(e) Calculate the amplitude.(f) Calculate the phase angle.

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