![subject](/tpl/images/cats/fizika.png)
Physics, 25.07.2019 08:30 promcafee8788
2. in the history of astronomy, which of the following is true? (2 points) ptolemy was criticized for his work on the heliocentric model. nicolaus copernicus could not prove that the sun was the center of the universe. johannes kepler argued that earth was the center of the universe. tycho brahe built one of the first observatories.
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 17:10
An automobile of mass 2000 kg moving at 30 m/s is braked suddenly with a constant braking force of 10000 n. how far does the car travel before stopping?
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 06:30
Which one of the following research methods can show cause and effect
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 20:00
Choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. a 1.0 kg block is placed on top of a 2.0 kg block. a horizontal rope pulls the 2.0 kg block across a frictionless floor with a force of 21.0 n. the coefficient between the two blocks is 0.75. does the 1.0 kg block on top slide?
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 02:30
Intro: a solid ball of radius rb has a uniform charge density Ļ. part a: what is the magnitude of the electric field e(r) at a distance r> rb from the center of the ball? express your answer in terms of Ļ, rb, r, and Ļµ0. part b: what is the magnitude of the electric field e(r) at a distance r express your answer in terms of Ļ, rb, r, and Ļµ0. part c: let e(r) represent the electric field due to the charged ball throughout all of space. which of the following statements about the electric field are true? check all that apply. e(0) = 0 e(rb)=0 limrāāe(r)=0 the maximum electric field occurs when r=0 the maximum electric field occurs when r=rb the maximum electric field occurs as rāā.
Answers: 1
You know the right answer?
2. in the history of astronomy, which of the following is true? (2 points) ptolemy was criticized f...
Questions
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.04.2020 23:04
![question](/tpl/images/cats/mat.png)
Mathematics, 07.04.2020 23:04
![question](/tpl/images/cats/mat.png)
Mathematics, 07.04.2020 23:04
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.04.2020 23:04
![question](/tpl/images/cats/en.png)
English, 07.04.2020 23:04
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
History, 07.04.2020 23:04
![question](/tpl/images/cats/mat.png)
Mathematics, 07.04.2020 23:05
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 07.04.2020 23:05
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.04.2020 23:05
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 07.04.2020 23:05