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OpenStudy (anonymous):
A garage door opener has a power rating of 350 watts. If the door is in operation for 30 seconds, how many joules of energy are used? (Hint: Remember that 1 watt = 1 joule/sec)
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OpenStudy (anonymous):
350*30
OpenStudy (isaiah.feynman):
|dw:1389209053884:dw|
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