Which statement is correct?
a Star formation begins in the nebula
b White dwarfs become main-...
![subject](/tpl/images/cats/fizika.png)
Physics, 30.10.2020 21:50 kbell182005
Which statement is correct?
a Star formation begins in the nebula
b White dwarfs become main-sequence stars when they gain mass
c Supergiants are stars that can absorb black holes
d Main-sequence stars are formed by comets
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 23:30
Which model displays the change in a gas when the temperature of the gaseous system decreases?
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 08:30
Amoving freight car collides with an identical one that is at rest. if momentum is conserved, what happens to the second car after the collision? it attains the same speed as the first car. it moves at half the speed of the first car. it moves at twice the speed of the first car.
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 10:00
Plz explain what friction, corollas, and a low pressure gradient does to an air parcel. what is 1+1=
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 14:00
If 0.05j work is done by stirring a cup of tea, if 150ml of tea is stirred 50 times and temperature rises to 67c° what will be the increase in entropy? a)0.007j/k b)1.1j/k
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/health.png)
Health, 17.05.2021 17:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.05.2021 17:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
Physics, 17.05.2021 17:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.05.2021 17:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.05.2021 17:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.05.2021 17:00
![question](/tpl/images/cats/mat.png)
Mathematics, 17.05.2021 17:00