1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
alex41 [277]
2 years ago
9

A heat pump absorbs heat from the cold outdoors at 3°c and supplies heat to a house at 20°c at a rate of 30,000 kj/h. if the p

ower consumed by the heat pump is 3 kw, the coefficient of performance of the heat pump is
Physics
1 answer:
Mazyrski [523]2 years ago
6 0
A heat pump absorbs heat from the cold outdoors at 3 C and supplies heat to a
house at 20 C at a rate of 30,000 kJ/h. If the power consumed by the heat pump
<span>is 3 kW, find the coefficient of performance of the heat pump.</span>
You might be interested in
A beaker has a mass of 125g. What is the mass of this beaker in decigrams
Anit [1.1K]
1250 decigrams
1 gram = 10 decigrams
4 0
3 years ago
The speed of water flowing through the 4in diameter section of the piping system is 3ft/s. What is the volume flow rate of water
olga_2 [115]
1 ft =12 in 
4 in = 0.333 ft 
volume = (п/4)*(0.333)² = 0.087 ft²
vol. flow = spead *volume
              =3 ft/s * 0.087 ft² 

vol flow = 0.261 ft³/s
3 0
3 years ago
Spider-Man and Ned were testing the distance he could shoot his web depending on the angle at which he points his web shooter. H
Serga [27]

Answer:

3. Madison, WI

4. Quito, Equador

6. Main Sequence stars are becoming red giants

Explanation:

3 0
3 years ago
Read 2 more answers
QUESTION 9
Alik [6]

Answer:

The answer is option a.

Hope this helps

4 0
3 years ago
Density=2g/mL and volume=20mL what is mass
leva [86]

Answer:

40g

Explanation:

Mass = density x volume

= 2 x 20

= 40g

8 0
3 years ago
Read 2 more answers
Other questions:
  • Let this oscillator have the same energy as a mass on a spring, with the same k and m, released from rest at a displacement of 5
    14·1 answer
  • Does this show the geocentric or heliocentric idea of the solar system? Explain the difference
    5·2 answers
  • When an element undergoes nuclear transmutation, the result is a completely different
    8·2 answers
  • A small aircraft is headed due south with a speed of 57.7 m/s with respect to still air. Then, for 8.77 x 102 s a wind blows the
    10·1 answer
  • What scientist shot alpha particles into gold
    8·2 answers
  • A 0.800-kg ball is tied to the end of a string 1.60 m long and swung in a vertical circle. (a)During one complete circle, starti
    7·1 answer
  • Two deuterium nuclei, 2 1H, fuse to produce a helium nucleus, 3 2He , and a neutron. A neutral deuterium atom has a mass of 2.01
    8·1 answer
  • A boy of mass, m weights 895 N. What is his mass, m?
    11·1 answer
  • 4. A girl is sitting on a tire swing that is attached with a rope that is 2.1 m in length. Her dad pushes her with a speed of 3.
    15·1 answer
  • How much power is needed to produce 500 joules of work if 20 watts are used?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!