Question

Tolong dong yg bener2 bisa no.8-10

Answer 1

8. a. tarik menarik
b. F=K.Q1.Q2/r²
=9x10^9.12x10^-6.-6x10^-6/(10^-1)²
=-648x10^-3/10^-2
=-648x10^-1 N

9. F=K.Q1.Q2/r²
9=9x10^9.5x10^-6.8x10^-6/r²
9r²=360x10^-3
r²=360x10^-3/9
r²=40
r=√40
=√4x10
=2√10 m

maaf klau slah