What would happen to the speed of sound wave if it moved from ocean water to air

What should the power status of a circuit be when measuring resistance with an ohmmeter?

Which of the following statements correctly describes a transformer?

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?