Answer:
Because the mass of electrons and protons is very small
Explanation:
The gravitational force exerted between two objects is given by:
where
is the gravitational constant
m1 and m2 are the masses of the two objects
r is the distance between the two objects
The mass of a proton and of an electron is very small, so the gravitational force involved in case of such particles is very weak. Let's calculate for example the gravitational attraction between one proton and one electron at a distance of r = 1 m. We have:
- Proton mass:
- Electron mass:
So, the gravitational force between the two particles is:
Which is a very weak force.
By comparison, let's calculate instead the electromagnetic force between a proton and an electron (both having a charge of ) still separated by a distance of r = 1 m. We have:
Which we see is much stronger than the gravitational force (almost by a factor
Answer:
why don't you just look on Google
Explanation:
just search it up on Google lol
I believe we live in the Cenozoic era
We live in the Holocene Epoch, of the Quaternary Period, in the Cenozoic Era (of the Phanerozoic Eon).
Answer:
D
Explanation:
Refraction is The bending of light from its straight line path when it travels from one medium to another. It is also a change in the direction of travel of light, sound, or other waves crossing a boundary.
Answer:
Explanation:
The frequency of an electromagnetic wave is given by:
where
is the speed of light
is the wavelength
Red light has a wavelength of
So by using the formula above we can calculate its frequency: