How come 50 cent and eminem are never found doing work for charities?

best electric cars kids image

braveheart

You see guys like Bono talking about foreign debt, aids, Angelina Joliee adopts kids from China, George Clooney buys electric cars, what the hell do these guys do? And if they don't do anything, just curious, why?

Answer
good question. they might, and we dont know. i mean t.i. was trying to help out kids to learn that gangs are bad.but maybe 50 cent and eminem are too busy spening it on bling and cars to bother spending it on charities. who knows.

How many volts does my speaker need to operate?

Zach

I got a couple speakers from an old kid's electric car and wanted to use them for things like my mp3 player. I'd like to operate them from batteries. One is a 1 watt, 16 omega speaker and the other is a 5 watt, 8 omega speaker. How many volts would I need for each one?

Answer
Speakers are a load. If you put a signal source into them, there is voltage and current flow. Multiply current times voltage, and you get power (in watts), which is the normal way speakers are specified.

Knowing the impedance, you can calculate back to find the required voltage. The formula is:

E= sqrt(P * Z)

Where:
E = Volts
P = Power (in watts)
Z = Impedance in Ohms

So, from your examples, the 5 watt speaker would take 6.3V. The 1 watt would take 4V.

Now that we've done that, throw them away and get yourself some proper powered speakers for just a few bucks. Those speakers will sound horrible for music.

Oh yeah, Omega is the symbol used in electronics for "ohms", a unit of resistance. It was also a recent album by Asia too.

Good luck.

Greetings from Austin, TX
Ken

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