Recent content by espania

A fuel cell runs off hydrogen and oxgen, would these elements be considered as biofuels? Is natural gas a biofuel?

How do i delete the addresses that are saved in the address bar in internet explorer?

How do I calculate v [the velocity of the car needed to turn red light to green light] from this equation ?? Please can somebody show me how?

http://www.comlab.hut.fi/opetus/610/exercises_fall2004/T2_sol_041119.pdf Where did he get the 8 from? And what is with the number 1? In the first solution.

Ok where could I find or could anybody give me the formula for the doppler shift when traveling at speeds close to the speed of light. So I need to take relativity into account. I needs this as soon as possible, thanks.

ok this is what i did., 5.56 x 10^14 = (3x10^8 / 3x10^8 x v) 4.54 x 10^14 5.56 x 10^14 = (v) 4.54 x 10^14 so v = 1.2ms?

What speed would a vehical have to travel in order to red traffic light into a green traffic light? i know that green light has wavelength of 5.40x10^-7 m frequency of 5.56x10^14 hz red light has wavelength of 6.60x10^-7 m frequency...