Solve the following word problems. Show complete solutions to your answers. 2.Two charges of +8.0 mC and -6.0 mC attract each other with a force of 3.0 x 103 N in a vacuum. What is the distance between the charges?
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Activity 2 – Coulomb’s Law and Net Electric Field
Solve the following word problems. Show complete solutions to your answers.
2.Two charges of +8.0 mC and -6.0 mC attract each other with a force of 3.0 x 103 N in a vacuum. What is the distance between the charges?
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Solved in 2 steps
- By experiment, determine what makes a force attractive or repulsive. Describe your experiments and observations with some examples. What evidence do you see that Newton's third law applies to electrostatic forces? How does the value of the electrostatic force vary with the value of the charges? How does the value of the electrostatic force vary with the distance between them?1. Why do you think charge particles behave like vectors?2. What do you think is the reason charges in this lecture falls under static electricity?3. Describe Coulomb's Law. Why do you think it bears a resemblance to Newton's Universal Law of Gravitation?Illustrate and solve: An electron is placed in a uniform electric field of 17 n N/C directed north created by two horizontal parallel plates that are 146 f m apart. The electron accelerates from rest, starting at the negative plate. What is the net force and acceleration acting on the electron? How long did it take the electron to get from one side of the plate to the other?
- 1. Discuss pros and cons of a lightning rod being grounded versus simply being attached to a building. 2. Using the symmetry of the arrangement, show that the net Coulomb force on the charge qq at the center of the square below (Figure 1) is zero if the charges on the four corners are exactly equal. 3. (a) Using the symmetry of the arrangement, show that the electric field at the center of the square in Figure 1 is zero if the charges on the four corners are exactly equal. (b) Show that this is also true for any combination of charges in which qa=qbqa=qb and qb=qcqb=qc 4. (a) What is the direction of the total Coulomb force on qq in Figure 1 if qq is negative, qa=qcqa=qc and both are negative, and qb=qcqb=qc and both are positive? (b) What is the direction of the electric field at the center of the square in this situation? 5. Considering Figure 1, suppose that qa=qdqa=qd and qb=qcqb=qc. First show that qq is in static equilibrium. (You may neglect the gravitational force.) Then…Activity 2 – Coulomb’s Law and Net Electric Field Solve the following word problems. Show complete solutions to your answers. 1. Find the electrostatic force between charges of +2.0 C and +5.0 C separated by a distance of 75 m in a vacuum.Solve the problem and draw and label a vector diagram in the given problem. Part 1. Two charges A (+30 µC) and B (–40 µC) are 60 cm apart. What is the net field strength at a point midway between them? Part 2. What is the net electric field intensity at a point 20 cm to the left of charge A in No.1? Assume that the point and the charges are collinear.
- 1. When you have two unlike charges in a line - where is the electric field the greatest? Is there ever a point where the field will be zero? Explain. 2. What happens to the electric field lines as you increase the magnitude of the charges? What does this imply about the electric field strength? Explain.Solve the following problems. Use GFSA (Given, Find, Solution, and Answer) on the given space below. Encircle your final answer, write it in scientific notation with 2 decimal places (if possible). Find the electric field acting on a 5 mC charge if an electrostatic force of 30,000 N acts on the particle.Determine the ratio of the gravitational force to electrical force between an electron and a proton when separated by a distance r. Please include detailed solution. I will attach the reference formulas that we use. The value of k is 8.99 x 10^9, not rounded off to 9. Thank you!
- Use GFSA (Given, Find, Solution, and Answer) on the given space below. your final answer, write it in scientific notation with 2 decimal places. The first charge with −3.0 μC is situated on the y-axis 2 m from the starting point at the coordinates (0,1) while a second charge with +1.0 μC is located on the x-axis 2 m from the starting point at the coordinates (1,0). A.What is the magnitude of the electric field? b.What is the direction of the electric field?Three charges are positioned at the corners of a parallelogram as shown above right. (a) If Q = 8.0 μC, what is the electric field at the unoccupied corner? (b) What is the force on a 5.0–μC charge placed at this corner?a) Sketch the charges on the sweater AND the balloon in the BEFORE box to the left. Then, rub the balloon on the sweater and watch what happens! Draw the charges on both items in the AFTER box on the right.