Step-by-step explanation:
The force of attraction between two charged objects is given by Coulomb's law:
F = k * (q1 * q2) / r^2
where:
F is the force of attraction
k is Coulomb's constant, which has a value of 9.0 x 10^9 N*m^2/C^2
q1 and q2 are the charges of the two objects
r is the distance between the two objects
In this case, we have two balloons with the same charge of +4.0 x 10^-6 C each, and they are held at a distance of 0.41 m from each other. Plugging these values into Coulomb's law, we get:
F = 9.0 x 10^9 N*m^2/C^2 * [(+4.0 x 10^-6 C)^2] / (0.41 m)^2
F = 1.92 x 10^-3 N
Therefore, the force of attraction between the two balloons is 1.92 x 10^-3 N.