Question

Can someone help me with this homework question please?
Two point charges each carrying a charge of + 4.5 E – 6 C are located 4.5 meters away from each other. How strong is the electrostatic force between the two points and is this force a repulsive force or an attractive force (k = 9.0 E9 Nm2/C2)?
@zepdrix @texaschic101 @SolomonZelman @timo86m @wolfe8 @johnweldon1993 @iambatman @primeralph

Answer 1

Well according to Coulombs Law we have

\[\large F = k\frac{Q_1 \times Q_2}{d^2}\]

You are given 'k'
Q1 would be the charge of the first point charge
Q2 would be the second
and 'd' would be the distance between the 2

Answer 2

And for the 2nd equation...we have to know that "like charges" repel...while "opposite charges" Attract

Answer 3

"2nd question" not equation lol oops :)

Answer 4

Make sense @Savannah_Noelle ?

Answer 5

Yes :)

Answer 6

Thank you

Answer 7

Of course :)