![Physics](/tpl/images/cats/fizika.png)
Physics, 27.07.2021 14:00, lilyplant4289
Calculate the efficiency of the following appliances:
1. A radiator that converts 1000) of electrical energy into 900J
of heat energy and 100J of light energy
2. A torch that converts 100J of chemical energy into 35) of
light energy and 65J of heat energy
3. A car that converts 10,000J of chemical energy into 6000) of
kinetic energy and 4000J of heat energy.
4. An energy saver light converts 1,000J of electrical energy
into 7003 of light energy and 300J of heat energy.
5. A speaker converts 100J of electrical energy into 50J of
sound energy and 50J of heat and kinetic energy.
we
![answer](/tpl/images/cats/otvet.png)
Answers: 2
Other questions on the subject: Physics
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 03:30, cookies1164
What is the momentum of a 2 kg object moving at 15 meters per second
Answers: 1
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 14:20, kaylaelaine18
What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus
Answers: 2
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 17:30, realoneree
This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.
Answers: 1
Do you know the correct answer?
Calculate the efficiency of the following appliances:
1. A radiator that converts 1000) of electric...
Questions in other subjects:
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/health.png)
![Konu](/tpl/images/cats/biologiya.png)
Biology, 14.10.2020 01:01
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 14.10.2020 01:01
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/en.png)
English, 14.10.2020 01:01
![Konu](/tpl/images/cats/mat.png)