A student uses two springs for the experiment. The force constant of the thin spring (k,) is 2.5 N/m, and the force constant of the thick spring (k2) is 4.5 N/m. These springs are connected in series. How much mass is needed to pull the springs to get a 40 cm extension? 1 1 F (In series connection, the formulas: =-+ k, k2 and keg = ; and gravitational AL. kea acceleration g = 9.81 m/s² ) A. 0.0387 B. 0.0125 C. 0.0712 D. 0.0824
A student uses two springs for the experiment. The force constant of the thin spring (k,) is 2.5 N/m, and the force constant of the thick spring (k2) is 4.5 N/m. These springs are connected in series. How much mass is needed to pull the springs to get a 40 cm extension? 1 1 F (In series connection, the formulas: =-+ k, k2 and keg = ; and gravitational AL. kea acceleration g = 9.81 m/s² ) A. 0.0387 B. 0.0125 C. 0.0712 D. 0.0824
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