Atrain leaves the station heading south on the tracks. it takes the train 5 seconds to reach 50 miles per hour. it completes the entire 100 mile trip in two hours. calculate the train's average speed and velocity over the two hour trip. show your work. identify if each of the measurements are a scalar or vector quantity.

Matt is driving down 7th street. he drives 150 meters in 18 sec. assuming he doesn’t slow down or speed up, what is his speed?

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?

A17,250 kg rocket is pushed with a thrust of 6,450,284 n. what is the acceleration of the rocket?