Question

The charges on two metallic balls are 5.0 and 7.0 coulombs respectively. They are kept 1.2 meters apart. What is the force of interaction between the two?

Answer 1

find columbs law formula online and apply it. easy!!

Answer 2

\[F=K(\frac{ Qa+Qb }{ r^2 })\]

Answer 3

what number is r squared tho?

Answer 4

1.2meters

Answer 5

dont forget to give me a medal :)

Answer 6

is it 5.0+7.0 / 1.2?

Answer 7

with that I got ten and none of my answers,looked like that

Answer 8

74891663671

Answer 9

got it?

Answer 10

K = 8.987*10^9

Answer 11

the closest is 7.0x10^-7

Answer 12

5.0x10^11
4.1x10^-7
2.2x10^11
7.0x10^-7
are my choices..

Answer 13

thats the answer 7.0*10^-7

Answer 14

the approximated

Answer 15

thank u

Answer 16

no problem