Consider the capacitor network 19.7 V 4.81 µF 5.8 µF 13.6 µF a b What is the voltage across the 5.8 µF (upper right hand) capacitor? Answer in units of V.

If steel is more dense that lake water, why can a boat float

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?