Four springs are stretched to the same distance from the equilibrium position the spring constants are listed in the table

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)

If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?

Current from a charged capacitor lights a bulb. as time goes on the brightness of the