# physics

posted by .

Two pellets, each with a charge of 1.0 microcoulomb (1.0×10−6 ), are located 4.0 (4.0×10−2 ) apart.A)find the electric force between them B)What would be the mass of an object that would experience this same force in Earth's gravitational field?

• physics -

5.6 N

• physics -

F = k q^2/r^2
= 9x10^9*1x10^-12/16x10^-4
= 5.6 N

5.6=m*9.8 => m=5.6/9.8=5.7 Kg

## Similar Questions

1. ### physics

two pellets each with a charge of 1 microcoulomb 10 to the negative 6 c are located 3 cm apart what is the electrical force between them what would be the mass of a object that would experience the same force in the earths gradational …
2. ### Physics

1) Part A: Two pellets, each with a charge of 3 × 10−6 C, are located 0.03 m apart. What is the electric force between them?
3. ### physics

Two pellets, each with a charge of 0.80 microcoulomb (8.0×10−7 C), are located 4.0 cm (4.0×10−2 m) apart. Find the electric force between them.
4. ### physics

Two pellets, each with a charge of 0.80 microcoulomb (8.0×10−7 C), are located 4.0 cm (4.0×10−2 m) apart. Find the electric force between them, which I solved for 3.6 N. I am stuck on the next part: What would be the …
5. ### Physics

Assume that in interstellar space the distance between two electrons is about 0.87 cm. The electric force between them are repulsive. Calculate the electric force between these two electrons. The value of the Coulomb constant 9 × …
6. ### Physics

Two pellets, each with a charge of 1 microcoulomb, are located 3 cm apart. What is the electric force between them?
7. ### Science

Two pellets, each with a charge of 1.5 microcoulomb (1.5×10−6 C ), are located 2.8 cm (2.8×10−2 m ) apart. Part A Find the electric force between them.Part B What would be the mass of an object that would experience this …
8. ### URGENT HELP

1.In a pith ball experiment, the two pith balls are at rest. The magnitude of the tension in each string is |T| = 0.55 N, and the angle between each string and a vertical line is θ = 27.33°. What are the values for the magnitudes …