Please help me quickly The driver of a car drives 3.00 km north, 2.00 km northcast (45.0° cast of
north), 4.00 km west, and then3.00 km southeast (45.0east of south)
Where does he end up relative to his starting point? Work out your answer
graphically. Check by using components​

Arotating space station is said to create “artificial gravity”—a loosely-defined term used for an acceleration that would be crudely similar to gravity. the outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts to exercise and maintain muscle and bone strength more naturally than in non-rotating space environments. if the space station is 200 m in diameter, what angular velocity would produce an “artificial gravity” of 9.80 m/s^{2} 2 at the rim?

Atomic nuclei of almost all elements consist of

Ascientist wants to test ways to reduce pollution in lake . what is the bestway of doing this