How long would a 290 kw space heater have to run to put

Assignment Help Physics
Reference no: EM13631784

How long would a 2.90 kW space heater have to run to put into a kitchen the same amount of heat as a refrigerator (coefficient of performance = 2.68) does when it freezes 1.73 kg of water at 18.8°C into ice at 0°C?

Reference no: EM13631784

Questions Cloud

In a physics lab experiment a spring clamped to the table : in a physics lab experiment a spring clamped to the table shoots a 19g ball horizontally. when the spring is compressed
Dtermine the amount of excavation needed for the basement : 1. determine the amount of excavation needed for the basement. a 2 foot working distance is required and the
A blackened plate is exposed to the sun so that a constant : a blackened plate is exposed to the sun so that a constant heat flux of 800 wm2 is absorbed. the back side of the plate
Determine the required volume of the cuts and fills for a : determine the required volume of the cuts and fills for a new road using the
How long would a 290 kw space heater have to run to put : how long would a 2.90 kw space heater have to run to put into a kitchen the same amount of heat as a refrigerator
A carnot heat engine receives heat from a reservoir at 900 : a carnot heat engine receives heat from a reservoir at 900 degrees celsius at a rate of 800kjmin and rejects the waste
A trucking firm delivers appliances for a large retail : a trucking firm delivers appliances for a large retail operation. the packages or crates have a mean weight of 305 lb.
It takes electricity to run the motor on the refrigerator : 1. you place your lunch leftovers in the refrigerator. suppose the refrigerator needs to remove 1.4370e4 j of thermal
A 95 confidence interval for the true proportion of : an inspector inspects large truckloads of potatoes to determine the proportion p in the shipment with major defects

Reviews

Write a Review

Physics Questions & Answers

  Ignoring the thickness of the blades find the minimum

the drawing shows a golf ball passing through a windmill at a miniature golf course. the windmill has 10 blades and

  Find the magnetic field at the center of the solenoid

Solenoids produce magnetic fields that are relatively intense for the amount of current they carry. Find the magnetic field at the center of the solenoid

  How long does it take to increase the speed of the train

A freight train has a mass of 1.7 × 107 kg. If the locomotive can exert a constant pull of 7.1 × 105 N, how long does it take to increase the speed of the train from rest to 64 km/h

  How much work is done on the skater by the wall

An ice skater with mass of 50 kg pushes off from the wall of an ice rink. How much work is done on the skater by the wall

  Measured by earth-bound observers

A space explorer A sets off at a steady 0.95c to a distant star. After exploring the star for a short time, he returns at the same speed and gets home after a total absence of 80 years (as measured by earth-bound observers). How long does A's clock s..

  The dielectric constant of this substance is 593 find the

an initially uncharged air-filled capacitor is connected to a 3.39-v charging source. as a result 9.57 times 10-5 c of

  How much does it elongate

What is the minimum cross-sectional area required of a vertical steel cable from which is suspended a 270 kg chandelier, If the cable is 7.5 m long how much does it elongate

  Determine the amplitude of vibration

A 300-g mass at the end of a Hookean spring vibrates up and down in such a way that it is 2.0 cm above the tabletop at its lowest point and 16 cm above its highest point, Determine the amplitude of vibration

  About a quantum teleportation experiment for a project

"Specifically, they must have complementary polarizations. For example, if photon A is later measured to have horizontal (0 degrees) polarization, then the other photon must "collapse" into the complementary state of vertical (90 degrees) polariza..

  How long does it take the boat to reach the buoy

A speedboat moving at 33.0 m/s approaches a no-wake buoy marker 100 m ahead. How long does it take the boat to reach the buoy

  How long does the ball take to reach the sidewalk

Someone at a fifth-floor window (20 m above the ground) hurls a ball downward at 40.0° at a speed of 14.0 m/s. How long does the ball take to reach the sidewalk

  What was the inital speed of the ballwhat was the inital spe

A ball rolls across a floor with an acceleration of 1.00m/s^2 in a direction opposite to its velocity. The ball ahs a velocity of 4.00m/s, What was the inital speed of the ball

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