Question

Electric Bill Problem 3.0 (20 Points) What is the total cost of using the following at /kWh? a. 1600 W air conditioner for 6h b. 1200 W hair dryer for 15 min .4800 W clothes dryer for 30 min d. 900 W coffee maker for 10 min 200 W Play Station 3 for 2 h e. f. 50 W stereo for 3.5 h

Answer 1

Answer:

The total const is 13025 KWh

Explanation:

These are the steps to solve this problem:

1. Convert all the powers from W to KW dividing by 1000.
2. Convert all the times on minutes to hours dividing by 60.
3. Then you can apply energy consumption formula $Energy = Power*Time$ for any of the appliances. the results will be at KWh.
4. Sum all the consumtions and you will have the total cost.

Attached you will have a spreadsheet as a guidance. Any  questions, just let me know.

Download xlsx