A 10,000 kg car going north at 22 m/s collides with a 50,000 kg truck moving east at 25 m/s. The two vehicles stick together and move in a northeastern direction. With what speed do they move right after impact and in what direction (degrees northeast)?

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of