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A certain heat pump has a COP of 5.1 while operating in both heating and cooling mode.
Suppose the heat pump operates in heating mode on a cold day.
For every 1000 W of power it takes to run the heat pump, how much power is delivered to the inside of the house?
How much power is removed from the outside?
The same heat pump now operates in cooling mode on a hot day.
For every 1000 W of power it takes to run the heat pump, how much power is removed from the inside of the house?
How much power is expelled to the outside?
A cat stands on a board of wood in a frozen frictionless pond. The mass of the cat is 4.0 kg, and the mass of the board is 3.0 kg. how far does the cat move in relation to the pond
A 500 kg mass is released at rest from a distance of two Earth radii above the surface of the Earth. Find the speed of the mass
one specific federal funding organization for scientific research and education is the national science foundation nsf.
You are given a slide with two slits cut into it and asked how far apart the slits are. What is the separation of the two slits
A 6.4g lead bullet traveling at 460m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in te..
when the tips of the rotating propeller of an airplane have a linear speed greater than the speed of sound the
A circus performer stretches a tightrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. He notes that it takes the wave 0.695 s to reach the opposite tower, 20.0 m away. If a 1.00-m length of the ..
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an antelope moving with constant acceleration covers the distance 66.0m between two points in time 6.80s. its speed as
A copper plate has a length of 0.12 m and a width of 0.10 m at25 degrees C. What is the change in the area of the plate as aresult of the increase temperature
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