How do wind turbines create electricity? a) Wind's potential energy
b) Wind's mechanical energy
c) Wind's kinetic energy
d)Wind's gravitational energy

If the force on an object is in the negative direction, the work it does on the object must be [2 points a) negative. b) positive c) the work could be either positive or negative, depending on the direction the object moves

Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.

Matter that emits no light at any wavelength is called