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A 40-g object connected to a spring with a force constant of 30 N/m oscillates with an amplitude of 8 cm on a frictionless, horizontal surface.
(a) Find the total energy of the system.
(b) Find the speed of the object when its position is 1.25 cm. (Let 0 cm be the position of equilibrium.)
(c) Find the kinetic energy when its position is 2.5 cm.
(d) Find the potential energy when its position is 2.5 cm.
Determine the coefficient of kinetic friction between the block & the table.
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