1) A spring connected to a mass of 0.15 kg has a period of oscillation of 0.408 seconds. What is spring constant?
2) A spring with a force constant of 45.5 N/m oscillates with a period of 0.908 seconds. What mass must be attached to the spring?
3) A spring with a force constant of 44.5 N/m is connected to a mass m. If the period of oscillation is 1.094 s, what is the mass?
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Expert's answer
2019-11-18T10:38:17-0500
1) Spring stiffness "k = m(\\frac{2\\pi}{T})^2 = 35.5 (N\/m);"
2) Desired mass "m = k(\\frac{2\\pi}{T})^{-2} = 0.92 (kg);"
3) Desired mass "M = k(\\frac{2\\pi}{T})^{-2} = 1.35 (kg)."
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