Reasons why opposition of current in a capacitor in a circuit
depends on the applied frequency​

Why does the equilibrium position of the spring change when a mass is added to the spring? will the mass oscillate around the new equilibrium position of the spring or the previous position without a mass attached to the spring? if the equilibrium position of the spring changes by 20 cm (assuming no initial mass) when a mass is added to the spring with constant 4.9 kg/s^2, what is the mass of the object attached to the spring?

If you held a stone over the mouth of a well and then let it go , what would happen to the stone? explain your answer.

Explain how a step-down transformer makes electricity safe for use in homes