3. Exercises for Skill Subjects/Analysis Questions Using HOTS for Content SubjectsExercise 1Directions: Solve the following problems as directed.12.How r3. Three charges, lie along the x axis as shown: q1 = 6 µC, q2 = -2 µC. Determinethe magnitude and direction of the net force on q3 = 1.5 µC.1 m2 mF = kr9, =6 µC4, =1.5 µC4, =-2 µC4. Coulomb’s law and Newton's law of gravitation are similar in structure. CanGauss's law be applied to gravitational field? If so, what changes are needed?

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Answered: 3. Three charges, lie along the x axis…

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Question= Two small spheres spaced 20.0 cmcm apart have equal charge. 1. How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 5.78×10−21 NN? Express your answer as number of electrons.

3. Three charges, lie along the x axis as shown: q1 = 6 µC, q2 = -2 µC. Determine the magnitude and direction of the net force on q3 = 1.5 µC. %3D 2 m F= k m .F 4, =1.5 µC F, 9, =-2 µC