A mass of 5kg is suspended from the free end is a spring when set for vertical oscillation, the system executes 100 oscillations in 40 seconds.calculate the force constant of the spring
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ANSWER : 1250Nm
Explanation:
By energy conservation, maximum kinetic energy is equal to the potential energy of the spring at maximum elongation since kinetic energy is zero at maximum elongation.
Hence, 1 = 1/2k(0.04)^2
therefore, k = 1250Nm
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