What is the energy efficiency rating of the unit

Assignment Help Physics
Reference no: EM13309997

A window air-conditioner unit absorbs 9.70×104J of heat per minute from the room being cooled and in the same time period deposits 1.20×105J of heat into the outside air.

a) What is the power consumption of the unit?

b) What is the energy efficiency rating of the unit?

Reference no: EM13309997

Questions Cloud

What length tube is required : Bubba has a tuning fork with a frequency of 445 Hz. Assuming the speed of sound in his lab is 350. m/s, what length tube is required to find the resonant point of his fork
Determine the minumum coeffeicient of friction : A water jet of diameter 2 inches and speed of v=60 ft/s is filling a tank at a 70 degree angle. The tank has a mass of 25 lbm and contains 6 gallons of water. The water temperature is 70 degrees F.
Explain malonic acid titrated with naoh : Malonic acid titrated with NaOH.,what indicator could be used to find the endpoint,If there is more than once choice, which is best
Determine the force in members gf-fb and bc : determine the force in members GF,FB, and BC of the Fink truss and state if the members are in tension or compression
What is the energy efficiency rating of the unit : A window air-conditioner unit absorbs 9.70×104J of heat per minute from the room being cooled, What is the energy efficiency rating of the unit
Determine what is the deflection at the center of the beam : A C10x20 catilever beam is 12 feet long, supported on the right side. The beam supports two point loads: Load 1 is 2500 lbf and is located 2.5 feet from the wall. Load 2 is 1300 lbf and is located 12 feet from the wall.
Compute the thermal efficiency of the engine : A diesel engine performs an amount of mechanical work equal to 2800Jand discards an amount of heat equal to 4800J each cycle. What is the thermal efficiency of the engine
What is the delfection due to self weight at the end of beam : A 13 foot long C10x25 beam is supported as a cantilever beam where x=0 on the left end. It is subject to no externally applied loads. a) What is the delfection due to self weight at the end of the beam
Explain reaction is less than equal to or greater : Use a table of Ka or Kb values to determine whether Kc for the following reaction is less than, equal to or greater than 1 CH3CO2- + HSO4- CH3CO2H + SO42-

Reviews

Write a Review

Physics Questions & Answers

  Find the effective coefficient of thermal conductivity

A brass plate with a thickness of 1.00 cm is placed over a copper plate with a thickness of 2.00 cm, What is the effective coefficient of thermal conductivity for the brass - copper layer

  What is the force between the two alpha particles

The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles, What is the force between the two alpha particles

  Calculate the energy stored in the capacitor

The plates of a parallel-plate capacitor are charged to a potential difference of 12.0 V. If the capacitance is 15.0 µF, calculate the energy stored in the capacitor

  Find the magnitudes of net force acting on electron

A 1590 kg car starts from rest on a horizontal road and gains a speed of 61 km/h in 30 s (a) what is its kinetic energy at the end of the 30 s.

  What is the magnitude of the counter clockwise force

A laboratory ultracentrifuge is designed to produce a centripetal acceleration of 5.0 x 10^6 g at a distance of 4.00cm from the axis. What angular velocity in rev/min is necessary.

  Estimate the average velocity for the entire trip

Bacteria vary somewhat in size, but a diameter of 2.0 nanometers is not unusual. What would be (a) volume (in cubic centimeters) and (b) surface area (in square millimeters) of such a bacterium, assuming that it is spherical.

  What is the distance between deer a and c

Three deer, A, B, and C, are grazing in a field. Deer B is located 64.4 m from deer A at an angle of 53.8 ° north of west. Deer C is located 76.2 ° north of east relative to deer A. The distance between deer B and C is 96.8 m. What is the distance be..

  How numerous times greater is the diameter of wire

You're carrying a 4 m long, 23 poles to a construction site when you decide to stop for a rest. You place one end of the pole on a fence post and hold other end of the pole 35 from its tip. How much force should you exert to keep the pole motionle..

  Determine the velocity of the wood block

A 0.07 kg bullet traveling at 569 m/s hits a 5.9 kg block of wood and stays in the wood. What is the velocity (speed)of the wood block

  Determine the self-inductance of the coil

The current in a coil drops from 3.1 A to 2.6 A in 0.53 s. If the average emf induced in the coil is 12 mV, what is the self-inductance of the coil

  What is the magnitude of the earth gravitational field

The International Space Station ISS (the mass is approximately 990,000 pounds) orbits the earth at an altitude of approximately 250 miles above the surface of the earth.

  What is the resulting change in the carts speed

A 72 kg man is riding on a 40 kg cart traveling at a speed of 2.5 m/s. What is the resulting change in the cart's speed, including sign

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