Aball of mass 0.5 kg moving at 10ms-¹ collides with another ball of equal mass at rest. if the two ball move off together after the impacts, calculate their common velocity

Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

For which pair of objects would adding the same a