Answer:
b is the answer
Explanation:
because i did this before
Answer:
Saturn is mainly composed of the lightest two gases known, hydrogen and helium. It is the only planet in our solar system whose density is less than water.
Explanation:
<h2>Hello!</h2>
The answer is: Coulomb's law equation.
<h2>Why?</h2>
The Coulomb's law states that the strength of an electric field (between two charges) can be calculated by multiplying their charges and dividing it into the square of the distance between their centers.

Where:
E = Electric Field Strenght


d = separation between charges (m)
Have a nice day!
Answer:

Explanation:
We know that:

where
is the initial energy,
is the final energy and
is the energy lost due to friction.
so:

Where M is the mass and V is the velocity of the runner, so:


When two stars are bound together gravitationally and orbit a common mass, theyre known as B. BINARY STARS.