How much power is dissipated in the cord

Assignment Help Physics
Reference no: EM1358249

Q. An extension cord made of two wires of diameter 0.129 cm (no. 16 copper wire) and of length 3.4 m is connected to an electric heater which draws 17.5 A on a 120 V line. How much power is dissipated in the cord?

Q. when 105 mL of water at 22 C is mixed with 68mL of water at 95 C, what is the final temperature? Assume no heat is lost to the surroundings and density of water is 1 g/mL.

Reference no: EM1358249

Questions Cloud

Compute unemploymet rate and labor forceparticipation rate : Compute the unemploymet rate and the labor forceparticipation rate,and compare thse raes wth those in the United States in 2009.
Antisocial personality disorder : As a therapist, do you think you would find it difficult to work with clients who display antisocial personality disorder? What about the disorder would you find most difficult?
Analyze the quarterly dividend growth rate : Get the current price and 5-year dividend history for Eli Lily & Corporation To gather this information, enter the ticker symbol (LLY) in the Get Quotes box at the top of the page and then click the GO button.
Draw uml diagram for classes quiz and question : Consider a quiz grading system that grades student responses to quizzes. Draw a UML diagram for classes Quiz, Question, EssayQuestion, MultipleChoiceQuestion, Student, and Submission.
How much power is dissipated in the cord : when 105 mL of water at 22 C is mixed with 68mL of water at 95 C, what is the final temperature? suppose no heat is lost to the surroundings and density of water is 1 g/mL.
Alternative trade: legacies for the future : explain how  Alternative Trade: Legacies for the Future  supports or challenges your conceptualizations of trade and development. Are there themes that some of you agree upon? Do you disagree on others? Describe your conversation.
Reasons why there is optimism for continued union success : Show the reasons why there is optimism for continued union success and why do employers resist the formation of unions in their companies? Provide at least four reasons.
Capriati corp-equity securities entries : Journal entries for equity securities for Capriati Corp in 2012, their first year of business, including unrealized gains or losses in 2012:
Explain how to structure worksheet including titles : Explain how you will structure the worksheet, including the titles, column headings, and formulas to calculate the time it takes to make each size of cage.

Reviews

Write a Review

Physics Questions & Answers

  The surface of water in a cylinder

A pressure of 10 Pa is applied through a piston uniformly on the surface of water in a cylinder. How much of this pressure if it is 80 cm deep?

  How much force is needed to begin moving book

A horse canters away from its trainer in a straight line, moving 111 m away in 15.0 s. It then turns abruptly and gallops halfway back in 4.90 s.

  What is the speed v

Two masses traveling at the same speed v0 collide head on. Nothing is known about collision other than that it is not completely inelastic.

  What is the spring constant k of this elastic cord

If the pump outlet is blocked and the handle pushed until internal length of the pump cylinder is 21, by how much does the air temperature rise? Suppose that no heat is lost.

  What is the angular dispersion of visible light passing

compute the linear speed due to the Earth's rotation for a person at a point on its surface located at 40o N latitude (this would be near the Ohio river valley, for instance). The radius of the Earth is 6.40 ξ 106 m. (For comparison, the speed of ..

  The bullet remains embedded in the block

A car of mass 1110 kg travels at a speed of 20 ms-1 along a straight road. The driver sees a red traffic light ahead, and applies brakes. The coefficient of friction between the car tyres and the road is 0.83. Take the acceleration due to gravity to ..

  What is the approximate fraction of hydrogen atoms

The temperature of the surface of a certain star is 7500K. Most hydrogen atoms at the surface of star are in the electronic ground state. What is the approximate fraction of hydrogen atoms that are in the first excited state (and therefore could e..

  Define the maximum angle

A very long solenoid with a circular cross section and radius r= 8.1cm with n= 1.90E+4 turns/m has a magnetic energy density uB= 5.70 mJ/m3. What is the current in solenoid.

  What is the index of refraction of the oil

A hotel elevator ascends 240 m with a maximum speed of 5.8 m/s. Its acceleration and deceleration both have a magnitude of 1.0 m/s2.

  What is the speed of crate hit ground

What is the speed of crate hit ground

  How long is the nose of the train in station

An airplane is flying with a velocity of 81.0 m/s at an angle of 24.0^circ above the horizontal. When the plane is a distance 108m directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.

  What is the potential energy of the system

A solid, rectangular iron bar measures .40cm by 1.0cm by 30cm. Find the resistance between each of the three pairs of opposing faces, assume the faces in question are quipotentials.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd