A ball of mass 0.200kg has a velocity of 150m/s: a ball of mass 0.300kg has a velocity of 0.4m/s. They meet in a head on elastic collision. A, find their velocity after the collision

The plum pudding model of the atom states that ?

Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?

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