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mass (kg) stretch (mm) stretch (mm) 0 0 100 0.1 80 1.63 60 0.2 Stretch (mm) 3.27 40 20 0.3 4.9 0 0.5 8.17 0 1 2 3 4 5 6 Mass

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to Fonce acting on mass due (my gravity mg m-mass, g acceleration due to gravity) acting -kx (Kaspring constant, 27 strech) FFor m = 0.3 kg x=4.9 mm = 4.9x10²m K - 918)0:3) 600 N/m (4.9 x103) 2 Hence, the value of k is approx. 600N/m from value of m

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