![subject](/tpl/images/cats/fizika.png)
Atrain, x meters long, traveling at a constant speed, takes 20 seconds from the time it first enters a tunnel 300 meters long until the time it completely emerges from the tunnel. one of the stationary ceiling lights in the tunnel is directly above the train for 10 seconds. find x
![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 10:00
The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.
Answers: 2
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 23:30
Sound travels slower in colder air that it does in warmer air. make a claim about the effect of air temperature on the speed of sound. support your claim with evidence
Answers: 3
You know the right answer?
Atrain, x meters long, traveling at a constant speed, takes 20 seconds from the time it first enters...
Questions
![question](/tpl/images/cats/en.png)
English, 29.08.2019 02:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
History, 29.08.2019 02:00
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
History, 29.08.2019 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.08.2019 02:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.08.2019 02:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 29.08.2019 02:00
![question](/tpl/images/cats/geografiya.png)
Geography, 29.08.2019 02:00
![question](/tpl/images/cats/biologiya.png)
Biology, 29.08.2019 02:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.08.2019 02:00