How much heat is needed to raise the temperature of 1 kg of brass by 20 ° C
(need an explanatio...
![subject](/tpl/images/cats/fizika.png)
Physics, 23.05.2020 13:58 KittyLoverCat
How much heat is needed to raise the temperature of 1 kg of brass by 20 ° C
(need an explanation)
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Physics
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 11:00
Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide? kg • what must the total momentum of the system be after the train cars collide? kg •
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 12:00
The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 12:30
As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 29.09.2019 01:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.09.2019 01:30
![question](/tpl/images/cats/mat.png)
Mathematics, 29.09.2019 01:30
![question](/tpl/images/cats/fr.png)
![question](/tpl/images/cats/en.png)
English, 29.09.2019 01:30
![question](/tpl/images/cats/mat.png)
Mathematics, 29.09.2019 01:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.09.2019 01:30
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 29.09.2019 01:30
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/istoriya.png)
History, 29.09.2019 01:30
![question](/tpl/images/cats/User.png)
Engineering, 29.09.2019 01:30
![question](/tpl/images/cats/mat.png)