Electric Force and Coulomb's Law in Physics

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The electric force between two point charges is directly proportional to which of the following?

The cube of the distance between them

The square of the distance between them

The product of the charges (correct)

The sum of the charges

What is the proportionality constant for calculating the electric force between two charges?

1 x 10^10

9 x 10^9 (correct)

6 x 10^9

3 x 10^8

If a point charge is 30 μC and another point charge is -15 μC, with a distance of 0.5 m between them, what is the electric force between them?

-36 N

18 N (correct)

36 N

-18 N

In a scenario where two charges are 15 mm apart with magnitudes of 5 μC and -8 μC, what is the electric force between them?

-40 N Signup and view all the answers

If two point charges are 10 cm apart with magnitudes of 6 μC and 4 μC respectively, what is the magnitude of the electric force between them?

2.16 x 10^-5 N Signup and view all the answers

If two charges are separated by a distance of 12 cm with magnitudes of 3 μC and -10 μC, what is the direction of the electric force between them?

Attraction Signup and view all the answers

What is the net force acting on q2 due to q1 and q3?

2.27 x 10^10 N (to the left) Signup and view all the answers

What is the net force acting on q1 due to q2 and q3?

2.45 x 10^-9 N (to the right) Signup and view all the answers

What is the separation distance between two point charges of 3.37 μC and -8.21 μC that attract each other with a force of 6.26 x 10^-2 N?

1.99 m Signup and view all the answers

If q1 = 4 μC and q2 = -6 μC, what will be the force between them at a separation distance of 0.5 m?

-4.92 N Signup and view all the answers

For a system with q1 = 7 μC and q2 = -2 μC separated by a distance of 0.3 m, what is the force between them?

-2.55 N Signup and view all the answers

If q1 = -5 μC and q2 = -3 μC, what will be the force between them at a separation distance of 0.8 m?

-5.54 N Signup and view all the answers

Electric Force and Coulomb's Law in Physics

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Questions and Answers

The electric force between two point charges is directly proportional to which of the following?

What is the proportionality constant for calculating the electric force between two charges?

If a point charge is 30 μC and another point charge is -15 μC, with a distance of 0.5 m between them, what is the electric force between them?

In a scenario where two charges are 15 mm apart with magnitudes of 5 μC and -8 μC, what is the electric force between them?

If two point charges are 10 cm apart with magnitudes of 6 μC and 4 μC respectively, what is the magnitude of the electric force between them?

If two charges are separated by a distance of 12 cm with magnitudes of 3 μC and -10 μC, what is the direction of the electric force between them?

What is the net force acting on q2 due to q1 and q3?

What is the net force acting on q1 due to q2 and q3?

What is the separation distance between two point charges of 3.37 μC and -8.21 μC that attract each other with a force of 6.26 x 10^-2 N?

If q1 = 4 μC and q2 = -6 μC, what will be the force between them at a separation distance of 0.5 m?

For a system with q1 = 7 μC and q2 = -2 μC separated by a distance of 0.3 m, what is the force between them?

If q1 = -5 μC and q2 = -3 μC, what will be the force between them at a separation distance of 0.8 m?

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