What is the best explanation for the observation that the electriccharge on the stem became positive as the charged bee approached (beforeit landed)? Bees that had visited the plant earlier deposited a positive charge on the stem.

Q: the human hair is combed using a rubber comb. What charge acquired by the hair and by the comb? in…

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Q: Three point charges are located as follows triangle point 1 (6 microC) point 2( -8 microC ) 4cm from…

A: Draw the following diagram to represent the position of the charges.

Q: Region A has charge of -3q, Region B has a charge of +4q, and Region C contents no charges. Which…

A: Let QA be the charge contained in the region A, QB be the charge contained in region B, and QC be…

Q: Give a physical explanation of the fact that the potential energy of a pair of like charges is…

A: The potential energy is zero at the infinity. Consider the two like charges are released, Because of…

Q: To separate a 0.35 C charge from another charge, 25 J of work is done. What is the voltage of the…

A: Charge , Q = 0.35 C Work done , W = 25 J  To find = voltage

Q: -29 40 cm 30 cm -4q 3q

A: The electrostatic potential energy is given by, Here, q1, q2 denotes the charges and r denotes the…

Q: Suppose you have an electric field between two parallel conducting plates separated by 1.8 cm and…

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Q: There are two charges of equal magnitude and opposite sign (positive on the left, negative on the…

A: This is a question based on equipotential surfaces.  In an equipotential surface the work done in…

Q: A lightning bolt strikes a tree, moving 20.0 C of charge through a potential difference of 1.20 x106…

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Q: A charge of + 50 nC is distributed uniformly along the circumference of a circle with a radius of 15…

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Q: To separate a 0.28 C charge from another charge, 26 J of work is done. What is the voltage of the…

A: Work is said to be done when a charge is brought from infinity (a point with zero potential), to a…

Q: Determine the amount of work needed to assemble the following charges from infinity: Q1 = +70 mC at…

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Q: Stephanie's hair stands up on end when she takes off her hat. The reason her hair stands up is…

A: Given statement :"Stephanie's hair stands up on end when she takes off her hat "

Q: There are various ways on how to gain charge. Using the previously learned concepts, explain (1) how…

A: (1)A Van de Graaff generator is an electrostatic generator which is to accelerates charged particles…

Q: The figure shows two different field patterns. (a) In the first field pattern, suppose that moving a…

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Q: object with a net charge of -1.68 coulombs is moved vertically near the earth's surface where the…

A: Given  Electric field E = 92 N/C  Gravitational field = 9.81 N/kg  Stored electric potential energy…

Q: The diagram below shows eight charged particles that are immersed in a uniform E-field (red arrows).…

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Q: A lightning bolt strikes a tree, moving 20.0 C of charge through a potential difference of 1.00×102…

A: a)  Given that a lightning bolt strikes a tree, moving 20.0 C of charge through a potential…

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

A: according to given data

Q: How many electrons should be removed from the Van de Graaff generator so that its electric charge…

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Q: The relationship between the electric field and the electrostatic energy density?

A: Electrostatic Energy Density is the amount of energy stored in a given system or field of charge per…

Q: Find the voltage at a point on the axis z of a ring of radius a charged with a uniform charge of q

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Q: A particle (charge = 8.7 pC) is released from rest at a point x = 5.4 cm. If a 46.2-uC charge is…

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Q: At what electric potential is 150 Coulombs of charge that has an electric potential energy of 30,000…

A: Solution: Given that Q = 150 C PE = 30000 J

Q: A bare helium nucleus has two positive charges and a mass of 6.64 x 10-27 kg. (a) Calculate its…

A: a) Calculate the speed of the charge. v=(4.20%)cv=(4.20100)(3×108 m/s)v=1.26×107 m/s

Q: The amount of work needed to bring together four identical point charges of 30.3 uC to each corner…

A: We are given four identical point charges, Distance from one diagonal to another is,

Q: In open heart surgery, a small amount of energy is often used to defibrillate the heart. We know the…

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Q: A 4 juF capacitntor is charged to a p.d of 100 V. It is then connecled to 6 µF capacitntor C. The…

A: The charge stored is defined as Q=CV Here C is capacitance and V is a potential difference.

Q: First, a glass rod is brought to a charge of +14.7 nC. It is then brought to contact with a metal…

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Q: If the magnitude of the electrical force between two point charges with the same sign in the air is…

A: Given data The electrical force between the two-point charges is given as Fa = 400 N. The…

Q: When air is replaced by a dielectric medium of constant K, the maximum force of attraction between…

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Q: Two charges of5 µC are placed in a medium of dielectric constant 10 at a distance 3 cm apart. The…

A: The force between the charges in the dielectric medium can be determined as, Here, ε, ε0­, εr, q…

Q: It is located on the two loaded x-axis. +Q payload reads x= -a, another unknown payload It will be…

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Q: What is the magnitude and the direction of the electric field at 0.35m from a -6.5x10^-8 C point…

A: Write the given values with the suitable variables. r=0.35 mq=-6.5×10-8 C Here, r and q are the…

Q: For two like charges, as distance between them approaches zero, potential energy also approaches…

A: Given For two like charges, as distance between them approaches zero, the potential energyalso…

Q: ck A particle with a mass of 1.99x10-4 kg carries a negative charge of -3.50x10-8 C The particle is…

A: Given Mass of the particle m       = 1.99×10-4 kg Charge of the particle Q    = -3.50×10-8 C Initial…

Q: A parallel plate capacitor using two aluminum foils with a surface area of ​​0.75 m2 each being…

A: Given data:   Surface Area (A) = 0.75 m2 Distance between plates (d) = 20 μm = 20×10-6 m Voltage (V)…

Q: Suppose you have an electric field between two parallel conducting plates separated by 2.4 cm and…

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Q: As snown here, an electric field exists in a region of space. A positive charge is moved from C to…

A: As shown above the figure.