![subject](/tpl/images/cats/fizika.png)
Physics, 13.04.2021 14:00 Aydenj9613
2. As estrelas são muitas vezes classificadas pela sua cor gráfico representa a intensidade da radiacio
emitida por uma estrela, a determinada temperatura, em função do comprimento de onda
10
2.1. Indique a cor da radiação visível emitida com maior intensidade pela estrela
2.2. Calcule, no Sistema Internacional, a temperatura da estrela para a qual é máxima a potencia
irradiada, sabendo que essa temperatura corresponde a um comprimento de onda de 290 nm e que
T-2,898 x 10m. K.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/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 12:30
The gravitational attraction between two objects will if one object acquires more mass .
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 17:10
Space-time metric ds2= -dt2+at2dx2+bt2dy2+ct2dz2 (a)how does the area of a rectangle with vertices at ( x=0, y=0, z=0 ), (1,0,0 ), ( 0,1,0 ) and (1,1,0 ) changes with time? (b) if a photon moving in the x direction starts from the origin at t=1, when does it reach x=l? (ds=0 for the trajectory of a photon.) (c) the proper time for a particle is defined by cd=ds. what is the proper time for a particle to move along the trajectory ( x(t)=t, y(t)=0, z(t)=0 ) from t=0 to 1 ? what is the condition on the parameter a so that the velocity of the particle never exceeds the speed of light ?
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 23:30
Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 03:30
What makes thermal imaging cameras useful? they can detect differences in color. they can detect differences in wave speeds. they can detect differences in temperature. they can detect mechanical waves.
Answers: 1
You know the right answer?
2. As estrelas são muitas vezes classificadas pela sua cor gráfico representa a intensidade da radia...
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 01.06.2020 12:57
![question](/tpl/images/cats/mat.png)
Mathematics, 01.06.2020 12:57
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.06.2020 12:57
![question](/tpl/images/cats/mat.png)
Mathematics, 01.06.2020 12:57
![question](/tpl/images/cats/mat.png)
Mathematics, 01.06.2020 12:57
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.06.2020 12:57
![question](/tpl/images/cats/biologiya.png)
Biology, 01.06.2020 12:57
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 01.06.2020 12:57
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 01.06.2020 12:57
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 01.06.2020 12:57
![question](/tpl/images/cats/mat.png)
Mathematics, 01.06.2020 12:57
![question](/tpl/images/cats/mat.png)
Mathematics, 01.06.2020 12:57
![question](/tpl/images/cats/mat.png)
Mathematics, 01.06.2020 12:57