Final answer:
The electrostatic force between the two charges is 27 x 10^9 N.
Step-by-step explanation:
The electrostatic force between two charges can be calculated using Coulomb's Law. Coulomb's Law states that the force between two charged objects is directly proportional to the product of their charges and inversely proportional to the square of the distance between them. In this case, we have two charges of 1.0 C and 12 C separated by a distance of 4.0 m.
Using Coulomb's Law:
F = k * q1 * q2 / r^2
where F is the force, k is the electrostatic constant (9 x 10^9 N m^2/C^2), q1 and q2 are the charges, and r is the distance between them.
Plugging in the values:
F = (9 x 10^9 N m^2/C^2) * (1.0 C) * (12 C) / (4.0 m)^2
F = 27 x 10^9 N
Therefore, the force between the charges is 27 x 10^9 N.