What is the r-value of the insulation

Assignment Help Physics
Reference no: EM1388646

Q. A freezer is comprised of 1.80x1x0.5 m^3 volume, insulated with 5 cm thick Styrofoam. (1) At what rate should the compressor remove heat to maintain the inside at - 20 degrees Celsius with the outside at room temperature. (2) What is the R-value of the insulation?

Reference no: EM1388646

Questions Cloud

Seasonality for forecasting sales : Develop a multiple regression model with categorical variables that incorporate seasonality for forecasting sales using the last three years of data in the Excel file New Car Sales.
Xplain how would dell use each of the three om planning : xplain how would Dell use each of the three OM planning strategies to improve its operations?
Schedule for shortest-job-first and roundrobin algorithms : Process 2 has total of 20 units of work to perform. This process arrives just behind P1. Illustrate the resulting schedule for shortest-job-first (preemptive) and roundrobin algorithms.
Joint probability distribution : A group of three students is to be randomly selected froma group of 1 freshman, 1 sophomore, 3 juniors and 3 seniors. Let Y1 and Y2 denote the number of juniors and seniors, a) What is the joint probability distribution for Y1 and Y2?
What is the r-value of the insulation : A freezer is comprised of 1.80x1x0.5 m^3 volume, insulated with 5 cm thick Styrofoam. (1) At what rate should the compressor remove heat to maintain the inside at - 20 degrees Celsius with the outside at room temperature. (2) What is the R-value o..
Illustrate what item is the most significant component : Under which classification(s) are deferred taxes listed? Illustrate what item is the most significant component of deferred taxes listed? Illustrate what item is the most significant component of deferred taxes?
Health insurance is a concept developed in the united states : Health insurance is a concept developed in the United States and now appearing in many other nations of the world. Its history and development is an interesting story
Posibility of virolysn : Create a paper about the posibility of virolysn being used to treat Staph infection, but I do not really understand virolysin in its essence.
Analyze the requirements for legal compliance : Analyze the requirements for legal compliance and find out which category of laws (regulating competition, protecting consumers, etc.) has had the largest overall impact on the greatest number of trades. Explain your rationale.

Reviews

Write a Review

Physics Questions & Answers

  What speed does the arrow leave the bow

An archer puts a 0.34 kg arrow to the bowstring. An average force of 209 N is exerted to draw the string back 1.3 m. Unless otherwise directed, assume that air resistance is negligible. plan energy bar graphs to solve the problem.

  Find the average acceleration

In uniform circular motion, a particle undergoes motion in a circular path with a constant speed. Which of the following statement is false and why?

  How long apart are the fringes in the center

A 210 km long high-voltage transmission line 2 cm in diameter carries a steady current of 960 A. If the conductor is copper with a free charge density of 9.0 x10^28 electrons per cubic meter, how many years does it take one electron to travel the ..

  How much coffee has spilled out of the beaker

A violinist places her finger so that the vibrating section of a 1.3g/m string has a length of 40.00 cm, after that she draws her bow across it. A listener nearby in a 20 ^circ {rm C} room hears a note with a wavelength of 60.0cm. What is the tens..

  Find magnitude of the gravitational force exerted by mass

find out the magnitude of the gravitational force exerted by one mass.

  What would be the magnitude of magnetic field

On a frictionless table, a glob of clay of mass 0.24 kg strikes a bar of mass 1.34kg perpendicularly at a point 0.38m from the center of the bar and sticks to it. If the bar is 1.14 m long and the clay is moving.

  Find out the change in entropy after the system

Pandora Jewellery has turn into the best choice for ladies all more than the world who desires to express their personal style. The Pandora Bracelets provide a rich array of stylish diamond jewellery developed by artisans utilizing the finest mate..

  The coefficient of static friction between tires and road

A vessel whose walls are thermally insulated contains 2.5 {rm kg} of water and 0.6 {rm kg} of ice, all at a temperature of 0.0 ^circ {rm{C}}. The outlet of a tube leading from a boiler in which water is boiling at atmospheric pressure is inserted ..

  How much upward vertical force does the pole exert

A car of mass 1.8 x10^3 kg is travelling east at a speed of 28m/s along a horizontal roadway. When its brakes are applied, the car stops in 5.8s. What is the average horizontal force exerted on the car even as it is braking.

  How many kwh of electricity would have been consumed

Throughout three hours one winter afternoon, when outside temperature was 9° C, a house heated by electricity was kept at 21° C with the expenditure of 46kwh (kilowatt•hours) of electric energy.

  What is the average acceleration

An asteroid is discovered heading straight toward Earth at 15km/s. An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 min, after which the asteroid is moving at 29degree to its original path at a..

  Rank the voltage across each cylinder

Rank the voltage across each cylinder. A baseball is seen to pass upward by a window 15 m above the street with a vertical speed of 18 m/s. imagine the ball was thrown from the street. What was it's initial speed.

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