![subject](/tpl/images/cats/fizika.png)
![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, 21.06.2019 22:30
What is the earliest point in the universe that we can observe? why can’t we see back further than this?
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 22:30
Matt is driving down 7th street. he drives 150 meters in 18 sec. assuming he doesn’t slow down or speed up, what is his speed?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 02:50
Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 05:00
Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?
Answers: 1
You know the right answer?
An airplane flies due north at 100 m/s through a 30 m/s cross wind blowing from the east to the west...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 15:01
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 15:01
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 15:01
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 15:01
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 15:01
![question](/tpl/images/cats/fizika.png)
Physics, 14.09.2020 15:01
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 15:01
![question](/tpl/images/cats/himiya.png)
Chemistry, 14.09.2020 15:01
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 15:01
![question](/tpl/images/cats/mir.png)
World Languages, 14.09.2020 15:01
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 15:01
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 15:01
![question](/tpl/images/cats/istoriya.png)
History, 14.09.2020 15:01
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 15:01
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 15:01
![question](/tpl/images/cats/en.png)
English, 14.09.2020 15:01
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 15:01
![question](/tpl/images/cats/en.png)
English, 14.09.2020 15:01
![question](/tpl/images/cats/biologiya.png)
Biology, 14.09.2020 15:01
![question](/tpl/images/cats/mat.png)
Mathematics, 14.09.2020 15:01