saraigarcia106p4xkon saraigarcia106p4xkon
  • 01-03-2018
  • Physics
contestada

Two negative charges that are both -3.0 C push each other apart with a force of 19.2 N. How far apart are the two charges ?

Respuesta :

skyluke89
skyluke89 skyluke89
  • 11-03-2018
The Coulomb's force acting between two charges is
[tex]F=k_e \frac{q_1 q_2}{r^2} [/tex]
where [tex]k_e = 8.99 \cdot 10^9 N m^{-2}C^{-2}[/tex] is the Coulomb's constant, q1 and q2 the two charges, and r the distance between them.

Using [tex]q_1 = q_2 = -3 C[/tex], we can find the distance between the two charges when the force is F=19.2 N:
[tex]r= \sqrt{k_e \frac{q_1 q_2}{F} }= \sqrt{ 8.99\cdot 10^9 \frac{(-3.0C)^2}{19.2 N} }=6.5 \cdot 10^4 m = 65 km [/tex]
Answer Link

Otras preguntas

u( w f +u ) = m + j solve for u : u= solve for f :F=
Transitional Expressions​
What does 5/x = 7/x+2 equal? Solve by cross multiplying. (5 over x and 7 over x+2)
Cody wanted to give each of his forty-five friends an equal amount of candy. At the store he bought six hundred eighty pieces total to give to them. How many mo
There are how many types of nitrogenous bases?
I need help ASAP, first one to get it correct gets 100 points.
Two boats leave a marina at the same time. The first boat travels 6 knots at a bearing of N39, and the second boat travels 4 knots at a bearing of S87°W. 2 degr
What is the surface area of this rectangular pyramid? 5 m 4 m 4 m square meters ILL GIVE BRAINLIEST
a bag contains coins of rupees 2 Rupees 1 and 50 paise, in ratio of 1 is to 2 is to 4. if the total amount is rupees 72 find how many 50 paise coins are there
7(g + 2h) What is an equivalent expression