If the relative humidity of the air is 47 nd its temperature is 68 ∘f, how many molecules of water are present in a room measuring 11 × 12 × 11 ft ?.

Which two particles are found in the center of an atom

The least penetrating form of radiation is

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.