Who was galileo and put it in your own words. if you dont do it in your own words you will not get brainliest!

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?

What is the momentum of a 2 kg object moving at 15 meters per second

What object a collides with object b and bounces back its final momentum is?