1.0 x 10^4 kg spacecraft is traveling through space with a speed of 1200 m/s relative to earth. a thruster fires for 2.0 mins, excerting a continious force of 25kn on the spacecraft in a direction opposite the spacecraft's motion. calculate the initial momentum and final momentum of the space craft?

The chemical effect of the endocrine system is longer lasting than the chemical effect of the nervous system. select the best answer from the choices provided t f

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?

How many hydrogen (h) atoms are in one molecule of sulfuric acid, h2so4? (1 points) 1 2 4 7