a wave like vibration whether a sound as high or low depends on the frequency of the vibration frequency is measured in hertz one hertz equals one vibration percent and humans can hear a sound in the range between sixteen and twenty thousand hertz anything below sixteen hearts we call infrasound anything above twenty thousand hertz is all to a sound music is usually between fifty and eighteen thousand hertz it s impossible to individually measure the impulse response of so many sounds or frequencies that s why acoustic technicians divide them into sets encompassing eight notes. let s take this low c. for example as a starting point it has a frequency of one hundred thirty hertz. an octave higher is middle c. its frequency is exactly double that of the low c. two hundred sixty hertz after the same interval you come to the next c. which has a frequency of five hundred twenty hertz and so on the frequency doubles with every
a wave like vibration whether a sound as high or low depends on the frequency of the vibration frequency is measured in hertz one hertz equals one vibration percent and humans can hear a sound and the range between sixteen and twenty thousand hertz anything below sixteen hertz we call infrasound anything above twenty thousand hertz is all to a sound music is usually between fifty and eighteen thousand hertz it s impossible to individually measure the impulse response of so many sounds or frequencies that s why acoustic technicians divide them into sets encompassing eight notes. let s take this low c. for example as a starting point it has a frequency of one hundred thirty hertz. an octave higher is middle c. its frequency is exactly double that of the low c. two hundred sixty hertz after the same interval you come to the next c. which has a frequency of five hundred twenty hertz and so on the frequency doubles with every
a good meal it s time to head for the next hill past and to needle these famous houses cars about show and cousin to one of europe s most unusual architectural complexes listen to modern history descent powell it was built in one thousand nine hundred two by louis still mimicking one tanay and declared a unesco world heritage site in one nine hundred ninety seven as. this place used to be called the shaven mountain because there was absolutely nothing here. this was where the architect built the hospital one of the most innovative of its time in the lab he built the site at forty five degrees to the city grid of the district lending the complex of perfect north south axis not. to randolph the day we hung on a historic trend to reach the city s highest point the five hundred twenty meter high t.v. . there
under a nose a small s.u.v. can be as variable as of am on the oval put across land x. s rear seats on runners so you can sacrifice leg room on short hops to free up more cargo space or have and you could fold the seats down to expand the four hundred ten liters of luggage space to five hundred twenty liters from a lot of. the workmanship on the crossovers interior is top quality and offers in a ray of fifty details.
it will come without quite a more than four hundred forty kilowatts in a range of over five hundred kilometers. per se these is rolling out a new c class c. and g. model the scene forty three cooping is three leader of the six power plant has an output of two hundred eighty seven kilowatts seventeen more than its predecessor five hundred twenty new meters of torque pushed the mercedes from zero to one hundred kilometers per hour and four point seven seconds and translate into lots of fun at the wheel. audi has launched an r w a spider model of the of each n r w s stands for rear wheel series and is a limited edition as the name implies the rear wheel drive replaces the all wheel drive making the special edition some forty kilos lighter than a conventional r eight spyder.