a 2200 kg car traveling at 30m/s collides with another 2200 kg car that is at rest. The bumpers lock together and the cars move forward together. what is their final velocity?

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

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e

Calculate the volume of this regular solid. what is the volume of the cone? round your answer to the nearest hundredth