Work & Energy Problems - Honors

If the average price per kilowatt hour is $0.19, how many joules of energy is this? How many 690 Calorie Whoppers would we need to burn to produce the equivalent amount of energy? Remember 1 Cal = 1,000 cal and 1 cal = 4.184 joules. 5. A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The 810 kg helicopter ... ................
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