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Stage 1
Answer 4 questions correctly in a row.
A point charge of 7.2 nanocoulombs is 1.4 meters away from another point charge of 4.8 nanocoulombs. What is the magnitude of the electrostatic force between the two charges?
Use for the Coulomb constant.
k
=
8.99
×
10
9
N ⋅
/ m
2
C
2
Write your answer in scientific notation, rounded to one decimal place.
What is the direction of the electrostatic force between the two charges?
attractive
repulsive
ref_doc_title.
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