Answered: Chapter 20: Problem 9: An electric…

Chapter 20: Problem 9: An electric water heater consumes 4.5 kW for 2.2 h per day. a) What is the cost (in $) of running it for one year if electricity costs 13 cents/kWh?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter20: Electric Current, Resistance, And Ohm's Law

Section: Chapter Questions

Problem 50PE: An electric water heater consumes 5.00 kW for 2.00 h per day. What is the cost of running it for one...

See similar textbooks

Related questions

Q: The Cold Light of Fireflies Fireflies are often said to give off "cold light." Part A Given that the…

A: Step 1:To determine the temperature of a blackbody that would have the same peak frequency as the…

Q: Why is simple harmonic motion considered to be a sinusoidal function?

A: Step 1: A sinusoidal function is a mathematical function that oscillates or repeats in a periodic…

Q: (3) Let us consider a particle that can take three energies -ɛ, 0, ε. This particle is immersed in a…

A: Step 1:To calculate the probability p for the particle to have energy −ε when immersed in a heat…

Q: Challenge Problem: Heat Engine A certain heat engine operates on the PV diagram below. It contains…

A: Approach to solving the question: Detailed explanation:Examples: Key references:

Q: A 998-kg satellite orbits the Earth at a constant altitude of 98-km.(a) How much energy must be…

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…

Q: 6. A certain binary star system consists of two identical stars of mass M, each moving in a circular…

Q: Calculate the rotational inertia of a wheel that has a kinetic energy of 28.0 kJ when rotating at…

A: Given values:Rotational kinetic energy:K = 28 kJ = 28000 J Angular velocity:ω = 879 rev/min…

Q: a patient is to be given a blood transfusion the blood is to flow throught a tube frin a raise…

A: The objective of this question is to find the height at which the bottle should be placed above the…

Q: a) A brass rod of length 2L and a steel rod of length L have the same cross-sectional area are…

A: The objective of this question is to find the temperature at the junction of the two rods. This can…

Q: I need help on question 11.

A: Step 1:Step 2:Step 3:Step 4:

Q: Please solve the problem correctly please. Thank you

A: Step 1: According to the snell's law, sin(θc)=n1n2 n1=sin(θc)n2 n1=sin(44o)1.63=2.35 now,…

Q: solve

A: Step 1:Answer (a) By using the formula I=1/2⋅c⋅ϵ0⋅Emax2WhereI = Intensity of the electromagnetic…

Q: A copper wire carries a steady 125 A current to an electroplating tank (see Fig). Find the magnetic…

A: Step 1: Write the given. Step 2: Write the formula needed. Step 3: Do the algebra. Step 4: Finalize…

Q: 12 An astronaut who is repairing the outside of her spaceship accidentally pushes away a 99.5 cm…

A: Step 1:Length is 99.5cm is 0.995mSpeed is 11.7smMagnetic field is 8.97×10−3TStep 2:The formula for…

Q: Please solve for (x) using the correct formula and explanation.(Handwritten sol required) This is…

Q: A buckyball consists of 60 carbon atoms arranged in the form of a hollow ball. Say that we…

A: Step 1:Mass of 60C ball,M=60∗1.9944733∗10−26kg=1196.654∗10−27kgThe rotational kinetic energy of the…

Q: A microwave oven can heat 205 mL of water from 20.0°C to 90.0°C in 2.00 min. If the wavelength of…

Q: ▾ Part A A subatomic particle moves through the laboratory at 0.90 c. Laboratory experimenters…

A: Step 1:Step 2:

Q: Please sir sollllveee this question, thanksss

A: Hope this helps!

Q: A heat engine running backward is called a refrigerator if its purpose is to extract heat from a…

A: Step 1:

Q: The speed of light c in a vacuum is 2.997 × 108 m/s. Given that the index of refraction in benzene…

A: Explained above. ******GIVE HELPFUL RATING******

Q: The earth has a vertical electric field at the surface, pointing down, that averages 119 N/CN/C .…

A: Step 1:Step 2:

Q: D 12.4.2

A: To find out how many radon atoms remain in the basement after a certain number of days, we can use…

Q: Don't provide handwritten solution.

A: The tension in the string C is Tc=66.7 NThe angle at A is,tanθA=84θA=26.560The angle at B…

Q: A person riding a rollercoaster emits a scream while the car is traveling along a straight section…

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…

Q: Hurry, show work in paper sheet stop using Ai

Q: Please solve the problem correctly. Thank you!

A: Step 1:To solve this problem, we can use the time dilation formula from special relativity: where:t'…

Q: Lasers can be constructed to produce an extremely high-intensity electromagnetic wave for a very…

A: Step 1:Step 2:Step 3:Step 4:

Q: 10

A: When two resistors R1 and R2 are connected in series then it's equivalent resistance is Req =R1+R2.…

Q: 7

Q: 16 Consider an ideal gas confined to a container at "constant volume". The heat capacity value is…

Q: A mass of 310 g is suspended from a weightless, inextensible string of length toform a simple…

Q: A microscope has a 1.9-cm-focal-length eyepiece and a 0.70-cm objective. Assuming a relaxed normal…

A: Step 1:Step 2:Step 3:

Q: 4 cm 8 cm 5 cm 1 cm M 2 cm 4 cm 5g In the figure, what mass M is required to balance the mobile? 60…

A: Thanks for your patience!Kindly comment if you need any further clarifications.

Q: The position of a mass oscillating in simple harmonic motion over time is shown in the sketch. What…

A: When mass is performing SHM then the mass is oscillating about its mean position too and fro so its…

Q: 13 A typical wall outlet voltage in the United States is 120 volts. Personal MP3 players require…

A: Step 1:Step 2: Step 3: Step 4:

Q: 3. A bowling ball of mass m and radius r is launched with speed vo (having no spin) on a lane at an…

A: Note: The angular momentum will remain conserved. Since there is no external net torque acting on…

Q: Please solve and answer the problem correctly please and also be sure to give the correct units and…

A: Since the speakers are in constructive interference at mid point of square side which is equidistant…

Q: 4

A: The behavior of thin films depends on the wavelength of light, the refractive indices of the film…

Q: D 11.6

A: Step 1: Write the given. Step 2: Write the formula needed. Step 3: Do the algebra. Step 4: Finalize…

Q: TW

A: Step 1:Step 2:Step 3:

Q: When dots are placed on a page from a laser printer, they must be close enough so that you do not…

A: The objective of the question is to find the maximum separation of two dots such that they cannot be…

Q: A wire 2.3m long has a diameter of 0.38mm. When connected to a 1.5V battery, there is a current of…

A: Given values:Length of the wire:L = 2.3 m Cross-section area of wire:A = πr2= π((0.38 mm)/2)2 =…

Q: The angular position of a point on a rotating wheel is given by 0 = 8.30 + 8.00t² + 3.07t³, where 0…

A: Step 1: Solution

Q: What is the principle behind the working of fiber optics? Total internal reflection O diffraction ○…

A: Step 1: The principle of total internal reflection is when a ray of light passes through a medium…

Q: Please solve this Mechanics problem(FBD required, Don't refer any wrong solutions)

A: Step 1: Step 2: Step 3: Step 4:

Q: There is 310 g piece of iron 180 C that is placed in 95 g aluminum calorimeter cup containing 250 g…

A: Step 1:Given data:Iron weight = 310gIron temperature = 180°CAluminum weight = 95gliquid temperature…

Q: Solve the first question

Q: A long, straight wire lies along the z-axis and carries a 4.00 A current in the +z-direction. Find…

Q: Problem 1 A motorist is cruising in their car at a constant speed of 25 m/s. Over the next 10…

A: To find the distance covered while accelerating, you can use the formula: Distance = (Initial…

Question

Chapter 20: Problem 9: An electric water heater consumes 4.5 kW for 2.2 h per day.

a) What is the cost (in $) of running it for one year if electricity costs 13 cents/kWh?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

A solar panel of length L and width W produces 28.4 kWh in a day. Under the same conditions (i.e. the same amount of solar energy available and the same efficiency) a solar panel of length 2L and width 2W would produce how many kWh in a day? Round off your answer to 2 decimal places, but do not write the unit.
A hair dryer is rated at 1200 W. One average, it is used for 400 minutes every month. The rate for electrical energy is8.8¢/kWh. What is the cost of electrical energy necessary to run the hair dryer for a month?
Assuming that the diet of an average Canadian consumes 2,500 food calories per day (1 cal=4200 J), compare the amount of energy consumed by a Canadian family of 5 in one year in their diet with the amount of electrical energy their household consumes. The average annual electricity usage of a family of 5 in n area can be estimated by 6000+5x1,600 kWh. What is the ratio of electrical energy consumption to caloric energy consumption for this family of 5? (1kWh=3,600,000 J). Your Answer: Answer
One 9-volt battery contains 19.0 thousand joules of energy. A 4-pack of 9-volt batteries cost $14.40 at Lowe's. Estimate the cost of battery energy in dollars per kilowatt-hour. Energy conversions are available in Section 2.2 of the textbook. Round your final answer to the nearest $10 per kilowatt-hour.
A house has 3 tubelights, 2 fans and a television. Each tubelight draws 40 W. The fan draws 80 W and the television draws 60 W. On an average, all the tubelights are kept on for five hours, two fans for 12 hours each and the television for five hours a day. Find the cost of electric energy used in 30 days at the rate of Rs. 3.00 per KWH.
A fluorescent bulb is typically 4 times more efficient than an incandescent bulb. For example, a fluorescent bulb using 15 W of electrical power makes as much light as an incandescent bulb using 60 W of power. If electrical energy costs 6 cents/kW · hr, how much money would you save by using one of these fluorescent bulbs instead of one incandescent for 1 yr?
Hello, I need some help with these 2 homework problems. Watts / 1000 = Kilowatts You can calculate kilowatt-hours using this formula:Kilowatts x Time in Hours = Kilowatt-hours Use these formulas to determine the cost of each of these appliances of devices over a given period of time.Assume $0.20 per kWh utility cost 5. You decide to relax for the night by playing video games on your Playstation 3. You lose track of time and end up playing for 3 hours. The PS3 uses 197 watts/hour. You have an expensive plasma TV thatuses 339 watts/hour.________________________________________________________________________________ 6. Before going to bed for the night, you realize that you accidentally left the kitchen lights on all day (12hours). The lighting fixtures in the kitchen have a total of 4 incandescent bulbs, each of which uses 75watts/hour. ________________________________________________________________________________
Refer to the figure. 12.0 V (a) Calculate P3 (in W). W t Additional Materials Russell 2000 +1.34% (1=? Reading V₁ = ? 1.80 Ω (b) Find the total power (in W) supplied by the source. W ww R₁ R₂ 6.40 Ω 1₂ = ? Q Search ww R₂ 12.02 V-V-V₁ = ?
An electric water heater consumes 5.00 kW for 2.00 h per day. What is the cost of running it for one year if electricity costs 12.0 cents/kW h ? See Figure 20.41. Figure 20.41 On-demand electric hot water heater. Heat is supplied to water only when needed, (credit: aviddavid, Flickr)
What is the cost of operating a 3.00-W electric clock for a year if the cost of electricity is $0.0900 per kW h?
As shown in Figure CQ33.6, a person pulls a vacuum cleaner at speed v across a horizontal floor, exerting on it a force of magnitude F directed upward at an angle with the horizontal. (a) At what rate is the person doing work on the cleaner? (b) State as completely as you can the analogy between power in this situation and in an electric circuit.
A large household air conditioner may consume 15.0 kW of power. What is the cost of operating this air conditioner 3.00 h per day for 30.0 d if the cost of electricity is $0.110 per kW h?