document.write( "Question 732043: how many joules of electrical energy are required to run a 5 watt radio for 30 minutes?(Hint:Pxt,P=watts of power,t=seconds of time) \n" ); document.write( "
Algebra.Com's Answer #447496 by Alan3354(69443)\"\" \"About 
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how many joules of electrical energy are required to run a 5 watt radio for 30 minutes?(Hint:Pxt,P=watts of power,t=seconds of time)
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\n" ); document.write( "P = 5 watts * 30 minutes * 60 sec/minute
\n" ); document.write( "P = 9000 watt-seconds = 9000 Joules
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