An uncharged metal sphere hangs from a nylon thread. When a positively charged glass rod is brought close to the metal sphere, the sphere is drawn toward the rod. But if the sphere touches the rod, it suddenly flies away from the rod. Explain why the sphere is first attracted and then repelled.

Q: A tiny ball (mass = 0.024 k g) carries a charge of 18 uC. What electrie field (magnitude and…

A: In the given problem we have to find the  magnitude and direction of the electric field to make the…

Q: In the future people will only enjoy one sport: Electrodisc. In this sport you gain points when you…

A: Initial charge on disk A = -8 μC Initial charge on disk B = -2 μC Initial charge on disk C = 5 μC…

Q: Two small balls with a mass of 2 g each are hanging on two separate strings 0.5  m (50 cm)  long…

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Q: Youfirst run a rubber comb through your dry hair, then use it to attract tiny neutral pieces of…

A: Coulomb’s inverse-square law is a law of physics that defines the amount of force between two…

Q: What are the magnitude and direction of the force on the 1.0 nC charge at the bottom of Figure…

A: We'll solve this question using Coulomb's law. According to which force of attraction or repulsion…

Q: unknown charge Q2 is moving in a circular motion around Q1. The speed of the particle is 3 m/s and…

A: The electrostatic force between two charged particles with charges Q1 and Q2 is given by, F=KQ1Q2r2…

Q: The figure below shows a small, hollow, plastic sphere hanging vertically from a thin, lightweight…

A: Given value--- mass of both sphere = 6.9 g. q1 = 32.1 nC. q2 = - 58 nC. d = 2 cm. We have to…

Q: There are two identical, positively charged conducting spheres fixed in space. The spheres are 30.2…

A: Write the expression for the initial force and substitute the required values.

Q: Point charges located at 3, 8, and 11 cm along the x-axis are represented in the figure. What is…

A: Charge  is placed at Charge  is placed at Charge  is placed at The magnitude of charge is…

Q: 6.00 με 150 μ.. -2.00 μ. 3.00 cm - 2.00 cm Figure P15.10 Problems 10 and 18.

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Q: piece of silk is rubbed on an initially neutral glass rod.  The rod ends up with a charge of -1.0nC.…

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Q: psitive charg charne har

A: (a) At equilibrium the net force is zero F13=F23kq1qx2=kq2qd-x2q1x2=q2d-x2d-x2x2=q2q1d-xx=q2q11.5…

Q: There are two identical, positively charged conducting spheres fixed in space. The spheres are 39.2…

A: Given:   Center to center distance,  r = 39.2 cm = 39.2 cm ×1 m100 cm= 0.392 m Force of repulsion…

Q: Three small balls, each of mass in are suspended separately from a common point by three silk…

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Q: Two spheres of mass 3.0 g, identical in shape and made of the same material, are suspended from the…

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Q: Two small balls with a mass of 2 g each are hanging on two separate strings 0.5 m (50 cm) long…

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Q: A negative point charge of 1.5 nC and a positive point charge of 4 nC are placed 10 cm apart.…

A: Given data:  Charge (q1) = -1.5 nC Charge (q2) = +4 nC Distance between charges (r) = 10 cm = 0.10 m…

Q: y | 45° P x > 1) Five charges live on a half-circle of radius r and are evenly placed at 45 degrees…

A: We will first write an expression for electric field due to a point charge. Then we use it to find…

Q: The figure shows two tiny 5.0-g spheres suspended from very light long threads of length L= 1.0-m.…

A: The solution for this question has been given below...

Q: A 4.2 mgmg bead with a charge of 2.3 nCnC rests on a table. A second bead, with a charge of -6.2…

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Q: There are two identical, positively charged conducting spheres fixed in space. The spheres are 42.0…

A: The distance between the two spheres is given as, d=42 cm=0.42 m, The initial electrostatic force…

Q: Three electric charges are placed along the x-axis as follows :  a +16 nC charge is placed at x =…

A: q1= +16 nC    at x = -8 cm,  q2 = -20 nC    at x = +4 cm, q3 = -10 nC   at  x = +10 cm.

Q: 8. The figure shows two situations in which particles of charge +q or -q are fixed in place. In each…

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Q: A rubber rod is rubbed with fur, transferring electrons to the rod. The rod is then brought near the…

A: When the rubber rod is rubbed with fur, it becomes negatively charged.

Q: Three point charges are located at the corners of an equilateral triangle as in the figure below.…

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Q: Marcelina's grandfather is hosting a party at their ranch, and asks Marcelina to make the ranch…

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Q: A plastic ball and glass marble are given uniformly distributed surface charges of -2 nC and +2 nC,…

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Q: Composite or stratovolcanoes often eject tiny particles of dust into the atmosphere causing dust…

A: From Coulomb’s law, the expression for the electric field is:

Q: Part A Two point charges and a point P lie at the vertices of an equilateral triangle as shown. Both…

A: According to Coulomb's law the electric field due to point charge is given as  E→=kQr2r^Herek is…

Q: Four objects, A, B, C and D are brought together. A has positive charge on it. When A is brought…

A: Given, Object A having positive charge (+ve)   When A is brought near B, B is attracted by A We know…

Q: In the future people will only enjoy one sport: Electrodisc. In this sport you gain points when you…

A: qA = −8.0 µC,  qB = −2.0 µC,  qC = +5.0 µC, and  qD = +12.0 µC.

Q: Find the magnitude of charge on one of the balls.

A: Coulomb's Law of Electrostatic forces The force between two charges q1 and q2is directly…

Q: Problem 7: Two positively-charged balls with equal amounts of charge and mass m = 4.5 g are…

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Q: A +48.0 nC charge is placed on the x axis at x = +3.0 m, and a −80.0 nC charge is located on the y…

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Q: Two positive charges of 9.6 μC and 1.9 μC are separated by a distance of 0.1 m. If a third charge…

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Q: Two positive charges are 2 cm apart. One has a charge of 10 µC the other 4 µC. What is the magnitude…

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Q: Three point charges are placed on the x- axis. A charge of +2.0 µC is placed at origin, -2.0 µC is…

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Q: The figure below shows a small, hollow, rubber ball hanging vertically from a thin, lightweight…

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