Will a lightning conductor work if it was left hanging in the air

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these

As the distance from a magnet increases, what happens to the magnet force?

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.