![subject](/tpl/images/cats/fizika.png)
Physics, 26.03.2020 08:25 DivineMemes420
1.
Which of the following is a true statement concerning the electrostatic force and gravitational force acting on an electron and a proton in an atom?
Fg > Fel
Fel > Fg
Fg = Fel
We would need to know which atom
2.
In a certain atom a proton and electron are separated by a distance of 4.7 x 10-13 m. Calculate the electrostatic force of attraction between this proton and electron.
4.90 x 10-16 N
5.45 x 10-26 N
1.04 x 10-3 N
6.5 x 1015 N
3.
In a certain atom a proton and electron are separated by a distance of 4.7 x 10-13 m. Calculate the gravitational force of attraction between this proton and electron.
4.18 x 10-73 N
8.42 x 10-40 N
2.16 x 10-55 N
4.59 x 10-43 N
![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, 22.06.2019 11:30
If forces acting on an object are unbalanced. true or false
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 16:00
Suppose a soccer ball is kicked from the ground at an angle 20.0º above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 01:30
Listed following are various physical situations that describe how light interacts with matter. match these to the appropriate category. 1) transmission? -visible light meets clear glass -visible light does not pass through a black wall -red light hits a red sweatshirt -light comes from your computer screen -cell phone signals pass through walls -blue light hits a red sweatshirt -white light hits a white piece of paper -light comes from a light bulb
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 03:00
Current vs. forcewhat type of relationship does this graph show?
Answers: 2
You know the right answer?
1.
Which of the following is a true statement concerning the electrostatic force and gra...
Which of the following is a true statement concerning the electrostatic force and gra...
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 07.10.2020 09:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.10.2020 09:01
![question](/tpl/images/cats/biologiya.png)
Biology, 07.10.2020 09:01
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.10.2020 09:01
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 07.10.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 07.10.2020 09:01
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.10.2020 09:01
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 07.10.2020 09:01
![question](/tpl/images/cats/pravo.png)
Law, 07.10.2020 09:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.10.2020 09:01