Berapakah gaya coulomb yang timbul antara 2 muatan +2 c dan +4 c yg terpisah jarak 20 cm..(plisss...jawab..dikumpul besok...guru killer..)
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Q1=2 C
Q2=4 C
R=20 cm=0,2 m
dita:
F=...?
jawab:
F=K.Q1.Q2/R'2
F=9x10'9.2.4/(0,2)'2
F=72x10'9/4x10'2
F=18x10'11 N