Two metal balls have charges of 7.1 * 10ÈÒ coulombs and
6.9 * 10ÈÒ coulombs. They are 5.7 * 10È¹ meters apart. What is the force of interaction between the two balls?
(k = 9.0 * 10© newton·metersÆ/coulombÆ)

a. 5.7 newtons
b. 6.9 newtons
c. 7.1 newtons
d. 1.4 newton

Question

Two metal balls have charges of 7.1 * 10ÈÒ coulombs and
6.9 * 10ÈÒ coulombs. They are 5.7 * 10È¹ meters apart. What is the force of interaction between the two balls?
(k = 9.0 * 10© newton·metersÆ/coulombÆ)

a. 5.7 newtons
b. 6.9 newtons
c. 7.1 newtons
d. 1.4 newton

irishboy123 · Answer

use Coulombs law:
 $ \large F = k \frac{q_1 \ q_2}{r^2} $

anonymous · Answer

can you just help me out with the answer? @IrishBoy123