- Determine the force between two charges of +40μC and +60μC separated by 20 cm in the air
- A +10 μC charge and a -12 μC charge experience an attractive force of -1.44 N (“-” means attractive). Determine their separation distance.
- Two electric charged objects float on air has 300 cm distance with each other. And attracted with force 0,1 N. If the charge of one of the object is + 5 μC, determine the charge of other object!
- Hydrogen ion and oxygen ion is positioned like picture below:
A. Determine whether they create repelled or attraction force! Explain!
B. Calculate amount of force between them!
C. State two ways to make the force between them become four times bigger!
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