# Problem: A refrigerator uses 900 kWh of electrical energy per year. How many joules of electricity are used in two years?A. 3.24 x 109 JB. 6.48 x 109 JC. 2.50 x 10-4 JD. 5.00 x 10-4 J

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###### Problem Details

A refrigerator uses 900 kWh of electrical energy per year. How many joules of electricity are used in two years?

A. 3.24 x 109 J

B. 6.48 x 109 J

C. 2.50 x 10-4 J

D. 5.00 x 10-4 J

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Nature of Energy concept. You can view video lessons to learn Nature of Energy. Or if you need more Nature of Energy practice, you can also practice Nature of Energy practice problems.

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Our tutors rated the difficulty ofA refrigerator uses 900 kWh of electrical energy per year. H...as medium difficulty.

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Based on our data, we think this problem is relevant for Professor Brewer's class at UARK.