BOTTROP, Germany — German tuner Brabus may be known for maximizing horsepower on traditional gas- and diesel-powered cars, but notice the lightning-bolt-festooned logo of its new Zero Emission division. The first project out of the division is a customization project off the electric Tesla Roadster that will be on display at the 2008 Essen Tuner Show in Germany. You can fulfill your dreams and desire like gold, jewelry, diamonds, estates, leisure, automotive, new car, tied your luck at casiono etc.
Brabus says the first priority was "a more exciting sound" for the currently quiet electric sports car. Several simulated engine sounds can be selected by the driver using Brabus' "space sound generator, " which rises and falls in volume depending on how much power the electric motor is putting out at a given time. Choices: racing engine,
Source: Automotive Heaven
A simple question would be ask how much energy2012-02-26 08:28:53 by blackskimmmer
Is stored in a tuning fork that is vibrating vs the amount of energy to raise the tuning fork one degree celsius.
lets see, energy off an oscillator is:
e=1/2 *k* A^2
for tuning fork:can't find the sprring constant for it. must be pretty high f=kx mg=kx how many killos to hang from a tine to pull it out how far does it go in oscillating? .1mm?
1kg(?) * 10m/s^2=k(10^-4m)
e=10^5*(.1)^2=10^3Nm=10^3 jouls. seems way too high.
i can set it oscillating by dropping it from a meter high. and that potential energy is simply... say it wiehgs .05kg
e=mgh=0.05*10*1=0.5Nm=0.5jouls probably less because not all the energy of the fall goes to sound production.
energy to raise 0.05kg one degree centigrade=
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