Define the house is losing heat to the outside air

Reference no: EM13648817

A heat pump is used to maintain a house at a constant temperature of 23 deg C. The house is losing heat to the outside air through the walls and windows at a rate of 60,000 kJ/hr while the energy generated within the house from people, lights,and appliances amounts to 4,000 kJ/hr. For a COP of 2.5, determine the required power input to the heat pump.

Reference no: EM13648817

Questions Cloud

Determine the resistance of each resistor : The circuit shown in the drawing is constructed with six identical resistors and an ideal battery. When the resistor R4 isremoved from the circuit, the current in the battery decreases by1.9 A. Determine the resistance of each resistor.

Evaluate the ionization energy for an atom of hydrogen : It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy for an atom of hydrogen, making the assumption that ionization is the transition from n=1 to n

What velocity did the mug leave the counter : In a local bar, a customer slides an empty beer mug down the counter for a refill. The height of the counter is 1.22m. The mugslides off the counter and strikes the floor 1.40m from the base ofthe counter.

What is speed of ball when it reaches fan : a field goal kicker kicks a field goal in football game. Kicker kicks ball from the ground. Foodball has initial speedof 25 m/s when it leaves the ground. What is speed of ball when it reaches fan

Define the house is losing heat to the outside air : The house is losing heat to the outside air through the walls and windows at a rate of 60,000 kJ/hr while the energy generated within the house from people, lights,and appliances amounts to 4,000 kJ/hr.

What is the current in the primary coil : A step-down transformer (turns ratio= 1:8) is used with anelectric train to reduce the voltage from the wall recetacle to avalue needed to operate the train. When the train is running, thecurrent in the secondary coil is 1.6A. What is the current in ..

Plane of angle theta has a spring of for ceconstant : An inclined plane of angle theta has a spring of for ceconstant k fastened securely at the bottom so that the spring isparallel to the surface. A block of mass m is placed on the planeat distance d from the spring.

Energy considerations to find averageforce that stops bullet : A 7.80kg bullet moving at 575m/s strikes the hand of asuperhero causing the hand to move 5.50cm in the direction of thebullets velocity before stopping. Use work and energy considerations to find the averageforce that stops the bullet

Find the balls speed at thebottom of the hill : A solid ball of mass M and radius R starts from rest and rollswithout slipping down a hill; Find the ball's speed at thebottom of the hill

User Account

All Pages