A clothes washer used 3.2 kilowatt for 0.9 hour. If electricity costs $0.31 per kilowatt- hour, how much did it cost (in dollars, to the nearest penny) to use the clothes dryer?
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- A 1.5 kW kettle is used 5 times a day for five minutes each time. What is the cost of running the kettle for a week, if the unit cost of electricity is 5.00/kWh? O P 22/week O P 187.50/week O P 262.5/week O P1,312.50/ weekIf a watt is a joule/sec, and an American family uses 1500 kilowatt hours per month. What are they buying?A person used his 1500 W air-conditioning unit for 5 h every day during the month of June. How much did it cost him for using his air conditioner if electricity is priced at P8.17/kWh?
- If a power company charges 12 cents per kW.h, then how much does it cost to run a 1500 W hair dryer for 10 minutes?An electric water heater consumes 5.63 kW for 2.85 h per day. What is the cost (in dollars per year) of running it for one year if electricity costs 14.6 cents/(kW · h)?At home I have a 350W motorized washing machine that I use to wash three times a week, 2 batches of clothes of 22 minutes each each time. Based on this problem, answer the following questions: a) How much energy in Joules do I "consume" in a year? (use 52 weeks for your calculation) b) based on the conditions of the previous question, what consumption would you have in kWh? c) How much do I pay, annually, in dollars, for the use of the washing machine, if the rate for energy from my electric company is 0.17443 / kWh?
- Suppose a heart defibrillator consumes 425 j of energy in 10.5 ms. What is the average power output of the defibrillator, in W? An electric clothes dryer is rated at 4,000 W. How much energy does it use in 40 min?Every day a certain household uses a 3,3 kW electric stove for 72 minutes, six 6 hours each and miscellaneous appliances amounting to 1,6 kW h. The 3 kW hot w ninutes during the day. If electricity costs 35 c a kWh
- A fan in an air conditioning unit rated at 250 WCome on for an average of 5.0 min at A time, a total of 48 times per day. What is the yearly cost of operating the fan, if electricity cost fifteen cents/KWH?An electric water heater consumes 6.63 kW for 2.35 h per day. What is the cost (in dollars per year) of running it for one year if electricity costs 14.6 cents/(kW · h)? per yearThe cost to operate a clothes dryer for a year is $80.25. If the rate for electrical energy is 8.8¢/kWh, and the clothes dryer is used for 700 hours in a year, what is the power rating of the clothes dryer? Explain in detail how you got the answer using the formula provided.