If a force of 14.9 N is applied to a spring, with a spring constant of 86.6 N/m, how far will it stretch ( in meters)?

Why does lightning travel from clouds to the ground?

At what time will the interfering waves have an amplitudeof zero?

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.