In a 3d gas of ultrarelativistic bosons, can bose einstein condensation occur at a finite (not zero) temperature. explain.

An airplane flies eastward and always accelerates at a constant rate. at one position along its path it has a velocity of 34.3 m/s, it then flies a further distance of 40100 m and afterwards its velocity is 47.5 m/s. find the airplane\'s acceleration and calculate how much time elapses while the airplane covers those 40100 m.

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?