The particles of a substance vibrate in place but stay in fixed positions. When thermal energy is added to this upsets, the particle stay close together but start to slide past one another. What Change in state has occurred?

Which feature indicates that mars resides in the inner region of the solar system

Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec