In which of the substances in the figure are the forces of attraction among the particles so weak that they can be ignored under ordinary conditions?

What is the relationship between the direction of motion of the balloon and the wind currents

What is the single most important equation in all of physics?

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.