If you were to harness the energy from a bikes wheel so that instead of creating kinetic energy it created electrical energy, how long would it take to produce 1 kilowatt hour if the wheels turned at a steady pace (so like 1 rotation every 2 seconds) and with only the amount of friction you...
I'm trying to find out how much electricity something consumes while charging for 7 hours per week. My Gameboy says Input: 5.2V --- 450mA. I tried to get the watts by multiplying 5.2V by .45 and got 2.34W. Next I multiplied by 1, for one hour then divided it by 1000. I got the kWh? And after...