The phase velocity of a wave tells us how fast any given phase of the wave is moving e.g. the crest. If we examine some fixed position, then we can count how frequently a full wavelength passes this position as the wave moves with time. This leads us directly to $v = Î»f$.
Beverly Hills, Michigan, in Oakland county, is 3 miles N of Southfield, Michigan and 16 miles NW of Detroit, Michigan. The people of the town are in the Detroit metropolitan area.
Other Nearby Towns. Community Information. Rochester Hills, Michigan occupies the northeast corner of Oakland County, Michigan. Named for its rolling hills, Rochester Hills officially became a city in 1984, and in its approximately 30 years of existence, it has become a prosperous and attractive suburb of Detroit.