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A room air conditioner used by Joel is rated at 456 watts. Joel used the air conditioner for 7 hours every week during the summer.

Calculate the total energy consumed by the air conditioner (in kWh) during the summer semester, which runs for 8 weeks.

Answer :

Final answer:

Joel's air conditioner, rated at 456 watts, consumes 0.456 kW of power. The total energy consumption over an 8-week summer semester, where the air conditioner was used 7 hours each week, is 25.536 kilowatt-hours (kWh).

Explanation:

To calculate the total energy consumed by the air conditioner during the 8 weeks of summer, you can first figure out the energy consumed in one week, then multiply by the number of weeks. The power of the air conditioner is given as 456 watts. First, we need to convert this to kilowatts because the energy consumed is usually measured in kilowatt-hours (kWh).

1 kilowatt = 1000 watts
So, Joel's air conditioner power in kW = 456 / 1000 = 0.456 kW

The total energy consumed in one week can be found by
Energy = Power x Time
So, Energy consumed in one week = 0.456 kW × 7 hours = 3.192 kWh

As the summer semester runs for 8 weeks, we then can calculate the total energy consumed for the 8 weeks by multiplying the weekly energy consumption by 8.
Total energy consumed over the summer = Weekly energy x 8 weeks
This is equal to 3.192 kWh x 8 weeks, or 25.536 kWh.


Learn more about Energy Consumption here: brainly.com/question/31739852

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