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1. Two balloons are charged with an identical quantity and type of charge: -6.25C. They are held apart at a separation distance of 0.67m. Determine the magnitude of the electrical force of repulsion between them. I​

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Answer:

The electric force between them is 878.9 N

Given:

Identical charge C

Separation between two charges  m

For finding the electrical force,

According to the coulomb's law

Here, force between two balloons are repulsive because both charges are same.

Where    N  Therefore, the electric force between them is 878.

Explanation: