Question

1. Find the total positive charge of all the protons in 1.0 mol of water. [9.632 * 10^5 C] 2. Find the total positive charge of all the protons in 5 gm of water. [2.676x10^5] 3. What would be the net charge of 1.0 gram gold piece after removal of 1.0% of its electrons? [386.336 C] 4. A balloon, initially neutral, is rubbed with fur until it acquires a net charge of -0.60nC. (a) Assuming that only electrons are transferred, were electrons removed from the balloon or added to it? (b)How many electrons were transferred? [3.7 * 10^9] 5. A metallic sphere has a charge of +4.0 nC. A negatively charged rod has a charge of -6.0 nC. When the rod touches the sphere, 8.2 x 10^9 electrons are transferred. What are the charges of the sphere and the rod now? [Sphere = 2.688 nC and Rod=-4.688 nC] Electric Force Problems 6. Two charges, 5 C and 15 C are separated by 10 cm. What is the force between them? [6.75x10^13 N] 7. Two charges, 5 C and 15 C are separated by some distance. Force between them is 6.75x10^13 N. What is the distance between them in cm? [10 cm] 8. Two charges, one is 5 C and another is unknown but force between them is 6.75x10^13 N and they are separated by 10 cm. What is the other charge? [15 C] 9. If the electrical force of repulsion between two 1-C charges is 10 N, how far apart are they? [30000 m] 10. If the electrical force of repulsion between two same amount of charges is 10 N, and they are 30000 m apart. What is the magnitude of each charge? [1C] 11. Two +1 C charges are separated by 30000 m, what is the magnitude of the force? [10 N] 12. A total charge of 7.50 x 10^-6 C is distributed on two different small metal spheres. When the spheres are 6.00 cm apart, they each feel a repulsive force of 20.0 N. How much charge is on each sphere? [1.067 micro coulomb and ] 13. How many electrons must be removed from each of two 5.0-kg copper spheres to make the electronic force of repulsion between them equal in magnitude to the gravitational attraction between them? [2.675*10^9]

          1. Find the total positive charge of all the protons in 1.0 mol of water. [9.632 * 10^5 C]
2. Find the total positive charge of all the protons in 5 gm of water. [2.676x10^5]
3. What would be the net charge of 1.0 gram gold piece after removal of 1.0% of its electrons? [386.336 C]
4. A balloon, initially neutral, is rubbed with fur until it acquires a net charge of -0.60nC. (a) Assuming that only electrons are transferred, were electrons removed from the balloon or added to it? (b)How many electrons were transferred? [3.7 * 10^9]
5. A metallic sphere has a charge of +4.0 nC. A negatively charged rod has a charge of -6.0 nC. When the rod touches the sphere, 8.2 x 10^9 electrons are transferred. What are the charges of the sphere and the rod now? [Sphere = 2.688 nC and Rod=-4.688 nC]
Electric Force Problems
6. Two charges, 5 C and 15 C are separated by 10 cm. What is the force between them? [6.75x10^13 N]
7. Two charges, 5 C and 15 C are separated by some distance. Force between them is 6.75x10^13 N. What is the distance between them in cm? [10 cm]
8. Two charges, one is 5 C and another is unknown but force between them is 6.75x10^13 N and they are separated by 10 cm. What is the other charge? [15 C]
9. If the electrical force of repulsion between two 1-C charges is 10 N, how far apart are they? [30000 m]
10. If the electrical force of repulsion between two same amount of charges is 10 N, and they are 30000 m apart. What is the magnitude of each charge? [1C]
11. Two +1 C charges are separated by 30000 m, what is the magnitude of the force? [10 N]
12. A total charge of 7.50 x 10^-6 C is distributed on two different small metal spheres. When the spheres are 6.00 cm apart, they each feel a repulsive force of 20.0 N. How much charge is on each sphere? [1.067 micro coulomb and ]
13. How many electrons must be removed from each of two 5.0-kg copper spheres to make the electronic force of repulsion between them equal in magnitude to the gravitational attraction between them? [2.675*10^9]

1. Find the total positive charge of all the protons in 1.0 mol of water. [9.632 * 10^5 C]
2. Find the total positive charge of all the protons in 5 gm of water. [2.676x10^5]
3. What would be the net charge of 1.0 gram gold piece after removal of 1.0% of its electrons? [386.336 C]
4. A balloon, initially neutral, is rubbed with fur until it acquires a net charge of -0.60nC. (a) Assuming that only electrons are transferred, were electrons removed from the balloon or added to it? (b)How many electrons were transferred? [3.7 * 10^9]
5. A metallic sphere has a charge of +4.0 nC. A negatively charged rod has a charge of -6.0 nC. When the rod touches the sphere, 8.2 x 10^9 electrons are transferred. What are the charges of the sphere and the rod now? [Sphere = 2.688 nC and Rod=-4.688 nC]
Electric Force Problems
6. Two charges, 5 C and 15 C are separated by 10 cm. What is the force between them? [6.75x10^13 N]
7. Two charges, 5 C and 15 C are separated by some distance. Force between them is 6.75x10^13 N. What is the distance between them in cm? [10 cm]
8. Two charges, one is 5 C and another is unknown but force between them is 6.75x10^13 N and they are separated by 10 cm. What is the other charge? [15 C]
9. If the electrical force of repulsion between two 1-C charges is 10 N, how far apart are they? [30000 m]
10. If the electrical force of repulsion between two same amount of charges is 10 N, and they are 30000 m apart. What is the magnitude of each charge? [1C]
11. Two +1 C charges are separated by 30000 m, what is the magnitude of the force? [10 N]
12. A total charge of 7.50 x 10^-6 C is distributed on two different small metal spheres. When the spheres are 6.00 cm apart, they each feel a repulsive force of 20.0 N. How much charge is on each sphere? [1.067 micro coulomb and ]
13. How many electrons must be removed from each of two 5.0-kg copper spheres to make the electronic force of repulsion between them equal in magnitude to the gravitational attraction between them? [2.675*10^9]

Added by Lisa P.

Question

Please give Ace some feedback