subject
Physics, 11.04.2020 04:06 Davidbg23

A heat pump that is used to heat a house has a COP of 2.5. That is, the heat pump delivers 2.5 kWh of energy to the house for each 1 kWh of electricity it consumes. Is this a violation of the first law of thermodynamics

ansver
Answers: 3
Show answers

Another question on Physics

question
Physics, 21.06.2019 22:00
Why do electron microscopes have higher resolving power than light microscopes?
Answers: 1
Answer
question
Physics, 22.06.2019 02:30
Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency of the wave? use f=v/wavelength a. 13 hz b. 2.1 hz c. 0.077 hz d. 5.6 hz
Answers: 1
Answer
question
Physics, 22.06.2019 05:30
Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted
Answers: 1
Answer
question
Physics, 22.06.2019 05:50
Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference
Answers: 1
Answer
You know the right answer?
A heat pump that is used to heat a house has a COP of 2.5. That is, the heat pump delivers 2.5 kWh o...
Questions
question
Social Studies, 24.09.2020 07:01
How did the Sui Dynasty fall and the Tang Dynasty emerge?...
question
Health, 24.09.2020 07:01
A healthy body weight is associated with a low BMI....
question
Computers and Technology, 24.09.2020 07:01
Which statement demonstrates a conflict of interest in an organization? А. working in organizations that demonstrate a lack of accountability B...
question
Health, 24.09.2020 07:01
20. The level of satisfaction that a person has with various aspects of his/her life is known as his/her: (5 Points) A life span B life expecta...
question
Mathematics, 24.09.2020 07:01
Which are correct representations of the inequality -3(2x – 5) < 5(2 - x)? Select two options. Ox<5 O-6x-5 < 10-X 0-6x + 15 <...
question
Mathematics, 24.09.2020 07:01
What is the answer? -4.6 - 1.6 = ???...
question
Mathematics, 24.09.2020 07:01
PLEASEE help me solve this problem ...
question
Mathematics, 24.09.2020 07:01
What is m angle rst in degrees...
question
Mathematics, 24.09.2020 07:01
Quiz 1 Translations & Reflections 1. Use the graph to find the translation rule. D T E o' E' Answers sh...
question
History, 24.09.2020 07:01
Which principle of American government is reflected in this quote? O separation of powers O direct democracy O equality for all cit...
question
Mathematics, 24.09.2020 07:01
Order the integers from greatest to least 25 -34 -2 55 8 -7...
question
Mathematics, 24.09.2020 07:01
Which of the following inequalities is correct? -10 > 1-10 -92-7 0 <-13 6 < |-6|...
question
Mathematics, 24.09.2020 07:01
What digit is in the hundreds place in the the number 5,679.25...
question
Mathematics, 24.09.2020 07:01
T (4.6,5.7) is a point on AB given by A (3,6.5) and B(7,4.5). In which ratio does T divide AB?...
question
Mathematics, 24.09.2020 07:01
Maria and Tim sold candy bars for a fundraiser. Maria sold seven less than twice the number of candy bars that Tim sold. In total, Maria and Tim sold...
question
Biology, 24.09.2020 07:01
A science model might be used to represent the shape of something change a hypothesis into a scientific law determine the mass of somet...
question
Business, 24.09.2020 07:01
Which federal agency is responsible for regulations that ensure workplace safety?...
question
Social Studies, 24.09.2020 07:01
Peter wants to find out which boils faster salt water or tap water what procedure should he follow to conduct this expirement...
question
Geography, 24.09.2020 07:01
A collection of gravitationally bound celestial objects that orbit a star is called a a) star b) nebula c) gravity d) solar system
question
Chemistry, 24.09.2020 07:01
Does every investigation in science follow the scientific method?...
More questions: Physics Another questions
Questions on the website: 13722360
See results (0)