A mass vibrates back and forth from the free end of an, Ask an Expert

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A mass vibrates back and forth from the free end of an ideal spring of spring constant 20 N/m with an amplitude of .3 m. What is the kinetic energy of this vibrating mass when it is .3m from its equilibrium position?

a) .9 J

b) .45 J

c) zero

d) it is impossible to give an answer without knowing the object's mass

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Reference No.:- M91017723

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