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An ideal vertical spring-mass system oscillates with a period of 1.20 second when the mass used...

An ideal vertical spring-mass system oscillates with a period of 1.20 second when the mass used is 2.00 kg.

How much elastic potential energy is stored in the spring when the mass is at its equilibrium position?

a) 2.53

b) 3.09

c) 3.65

d) 4.77

e) 5.70 )

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