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  1. B

    Differential equations - transforming from one to another

    Homework Statement m\frac{d^{2}x}{dt^{2}}+c\frac{dx}{dt}+kx=F_{0}cos\omega t\\ LC\frac{d^{2}V_{c}}{dt^{2}}+RC\frac{dV_{c}}{dt}+V_{c}=V_{0}cos\omega t These two equations are for two different physical phenomena. The first is for a mass moving along an x axis. The mass is affected by a...
  2. B

    Linear algebra with with unknown coefficientt for parabola

    Homework Statement Find the numbers a0, a1 and a2 so that the parabola with the equation: y = a0 + a1 x + a2 x2 Goes through the points: (2, −3), (9, 4), and (t, 4) For any value of t, specify the amount of solutions Homework Equations y = a0 + a1 x + a2 x2 The Attempt...