Posted by michelly on Saturday, November 20, 2010 at 1:58pm.
Please select the School Subject carefully so the right teachers read and answer your post. 9th grade is not it. (Math, Physics, etc.?)
Try some o f the follwoing links to see if anything will assist you:
http://search.yahoo.com/search?fr=mcafee&p=478+watts+of+power+for+14+seconds+is+how+much+work+done
Sra
Work = Power * time
Work = 478 Watts * 14 sec
Work = 6692 Joules
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