![subject](/tpl/images/cats/fizika.png)
Physics, 10.12.2020 03:20 thereal6ix9ine69
You see a horizontal metre stick moving at 0.6 c with respect to you. Its length appears to be:
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 14:30
Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 16:50
Acommercial refrigerator with refrigerant-134a as the working fluid is used to keep the refrigerated space at -35°c by rejecting waste heat to cooling water that enters the condenser at 18°c at a rate of 0.25 kg/s and leaves at 26°c. the refrigerant enters the condenser at 1.2 mpa and 50°c. if the compressor consumes 3.3 kw of power, determine (a) the mass flow rate of the refrigerant, (b) the refrigeration load, (c) the cop, and (d) the minimum power input to the compressor for the same refrigeration load.
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 22:00
Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. what is the best explanation of the relationship between wavelength and wave energy? a) wave energy is related only to frequency, not wavelength. b) longer wavelengths have lower frequencies but higher energy. c) the shorter the wavelength, the lower the frequency and the higher the energy. d) the shorter the wavelength, the higher the frequency and the higher the energy.
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 06:40
12. ritu obtained a distinct image of a distant tree on the screen with the of a concave mirror.to find the focal length of the mirror she has to measure the distance between: (a) mirror and the tree. (b) screen and the tree.(c) mirror and the screen. (d) mirror and tree as well as between screen and the tree.
Answers: 2
You know the right answer?
You see a horizontal metre stick moving at 0.6 c with respect to you. Its length appears to be:...
Questions
![question](/tpl/images/cats/mkx.png)
Arts, 03.03.2021 17:00
![question](/tpl/images/cats/mat.png)
Mathematics, 03.03.2021 17:00
![question](/tpl/images/cats/biologiya.png)
Biology, 03.03.2021 17:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.03.2021 17:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.03.2021 17:00
![question](/tpl/images/cats/mat.png)
Mathematics, 03.03.2021 17:00
![question](/tpl/images/cats/biologiya.png)
Biology, 03.03.2021 17:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 03.03.2021 17:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mkx.png)
Arts, 03.03.2021 17:00