Tuesday, April 24, 2012

Please help!!!!!?

I need help if you can figure these out.



Photons are to light as ____ are/is to atoms.



What is the difference between specific heat and a heat calorie?



Visible light is to the electromagnetic spectrum as____is to ____.



What are some magnetic metals and why are they magnetic?



How many watts are produced from a 3 amp hair dryer (120 volts)?



How many amps would a 220 volt motor produce if it's 3000 watts?



If you can answer these please do.



Please help!!!!!?

how many watts are produced from a 3 amp hair dryer (120 volts)



Watts = volts x amps = 360 watts



how many amps would a 220 volt motor produce if it's 3000 watts?



Amps = watts over volts = 13.63 amps



Please help!!!!!?

1 watt = 1 volt x 1 amp.....3amp x120volts=360watts...and 3000 watts : 220volts = 13,6 amp



Please help!!!!!?

Specific heat is the amount of heat required to raise the temperature of a substance by 1 degree.



http://en.wikipedia.org/wiki/Specific_he...



One unit of heat energy is the calorie:



http://en.wikipedia.org/wiki/Calorie

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