A charged dust particle at rest in a vacuum is held motionless by an upward - directed 475-N/C electric field. If the dust particle has a mass of 7.50 x 10-10 kg, find (a) the charge on the dust particle and (b) the number of electrons that must be added to neutralize it.

Q: What must the charge (sign and magnitude) of a 3.45 gg particle be for it to remain stationary when…

A: Given:Mass of charged particle = 3.45 gm. = 3.45×10-3 kg.Intensity of electric field = 590 N/C…

Q: A small sphere is suspended from a string in a uniform electric field shown by arrows, making an…

A: Given  Mass of sphere m=3×10-3 kg Charge on sphere q=8nC θ=35

Q: What is the x-component of the electric field at (x = 1.2 m, y = -1.6 m) due to a point charge (q =…

A: Given that --- q = -8 nC x = 1.2 m y = -1.6 m. Question ? x component of electric force ?

Q: A particle (mass = 4.0 mg, charge = -80 mC) moves in a region of space where the electric field is…

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Q: When a 5nC test charge is placed at a certain point, it experiences a force of 2.0 x 10^-4N. What is…

A: The force experienced by a charge when it is placed in an electric field is given by…

Q: A 40- mC charge is positioned on the x axis at x = 4.0 cm. Where should a -60- mC charge be placed…

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Q: A +12 nC charge is located at the origin What is the electric field at the position (x1,y1)=(−5.0…

A: Given information:Charge on the body (Q) = +12 nC = 12 × 10-9 CCoordinates of the first position…

Q: An electron is in a vacuum near Earth’s surface and located at y = 0 on a vertical y axis. At what…

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Q: A block with a mass of 10.6 g and a charge of +8.70 × 10-5 C is placed in an electric field with x…

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Q: moves 4.0 m upward in 2.00 s. If the particle has a charge-to- mass ratio of 10 µC/g and the…

A: Given charge mass ratio =10uC/g

Q: In a hydrogen atom, what are the magnitude and direction of the electric field set up by the proton…

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Q: 7.20 nC of charge is uniformly distributed along a thin rod of length L = 2.20 cm as shown in the…

A: The below figure represents the direction of electric field at point P at a distance of 9.90cm from…

Q: Two equally charged particles, held 4.8 x 103 m apart, are released from rest. The initial…

A: Given data: Distance of separation r=4.8×10-3m The initial acceleration of the first particle a1=5.9…

Q: A particle (mass = 17 g, charge = 49 milli-C) moves in a region of space where the electric field is…

A: Solution:-

Q: A small 2.25 g plastic ball that has a charge ?=1.35 C is suspended by a string that has a length…

A: Given data:  Mass of plastic ball (m) = 2.25 g = 2.25 × 10-3 kg Charge (q) = 1.35 C Length (L) =…

Q: What is the magnitude of a point charge that would create an electric field of 1.00 N/C at points…

A: Given data:  Electric field (E) = 1.00 N/C Distance (r) = 1.00 m Required: The magnitude of the…

Q: A 11.µC charge is located at the origin and a 5.3_µC charge is located at 0.38_m on the x-axis. What…

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Q: What is the magnitude of the electric force of attraction between an iron nucleus (q = +26e) and its…

A: Given data: q = 1.6*10-19 C Q = 26e    =26*1.6*10-19 C r= 1.5 x 10^-12 m Need to determine the…

Q: Two point charges, 8.724E-6 C and -1.327E-6 C, are placed 1.01 cm apart on the x axis. How far (in…

A: let the two charges        q1= 8.724 x 10-6 c        q2= 1.327 x 10-6 c distance = d = 1.01 cm

Q: A +7.00 µC particle is located at x = 0.0 cm, and a –9.0 μC particle is located at x = 40.0 cm.…

A: Introduction: In the nature there are four forces. Gravitational, electromagnetic, strong and weak…

Q: A point charge qı = -30.0 µC is located at r = (-2.00 m)i + (4.00 m)j + (6.00 m)k, and a point…

A: Given Data: The magnitude of charge 1 is: q1=-30.0 μC=-30×10-6 C The magnitude of change 2 is:…

Q: "A non-conducting sphere of radius R = 7.0 cm carries a charge Q = 4.0 mC distributed uniformly…

A: "A non-conducting sphere of radius R = 7.0 cm carries a charge Q = 4.0 mC distributed uniformly…

Q: A particle (mass = 5.0 g, charge = 40 mC) moves in a region of space where the electric field is…

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Q: A non-conducting disk of radius R = 30 cm is uniformly charged and the electric field is measured to…

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Q: An electron is placed in a uniform electric field of strength 232 N/C. If the electron is at rest at…

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Q: Consider a square that is 1.0 m on a side. Charges are placed at the corners of the square as…

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Q: Two test charges are located in the x-y plane. If q1 = -3.500 nC and is located at x1 = 0.00 m, y¡ =…

A: E=kq/r2

Q: The figure shows two charged particles on an x axis: -q = -1.60 x 1019 C at x = -3.00 m and q = 1.60…

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Q: A 6 nC charge is distributed uniformly along the y axis from y = 0 to y = 3 m. Which of the…

A: Charge(Q) = 6× 10-⁹ C Length of distribution(l)= 3 m We have to find the electric field (E) at x= 3…

Q: A small sphere with a mass of 441 g is moving upward along the vertical +y-axis when it encounters…

A: Given: The mass of sphere is m=441 g. The electric field is E=5 N/C. The horizontal acceleration is…

Q: The figure shows two charged particles on an x axis: -g = -1.60 x 10-19 C at x = -3.00 m and a =…

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Q: A 2.56~nC2.56 nC charge is placed at the origin (x = 0.0, y = 0.0)(x=0.0, y=0.0). What is the…

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Q: A dust particle of charge, q, and mass, m, is initially at rest in a uniform electric field with…

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Q: The figure shows two charged particles on an x axis: -q = -8.00 × 10-19 C at x = -5.00 m and q =…

A: Given data *The positive charge is q = 8.00 × 10-19 C *The negative charge is -q = -8.00 × 10-19 C…

Q: A particle (mass = 5.0 g, charge = 40 mC) moves in a region of space where the electric field is…

A: A particle (mass = 5.0 g, charge = 40 mC) moves in a region of space where the electric field is…

Q: A 10.0 g block with a charge of +8.00 * 10-5 C is placed inan electric field E:= (3000iˆ -600jˆ)…

A: Given:- m= 10g, q=+8.00 * (10^-5) C, E= (3000iˆ -600jˆ) N/C, t=3s a) The magnitude of the…

Q: Two charges are located in the x-y plane. If q1 = -3.50 nC and is located at (x = 0.00 m, y = 0.960…

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Q: A bowling ball of regulation diameter (22.0 cm) hasn’t yet been drilled for finger holes and is…

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Q: square conducting plate 54.0 cm on a side and with no net charge is placed in a region, where there…

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Q: A particle (mass = 4.0 g, charge = 91 mC) moves along the x-axis in a region of space where the…

A: The given data are: m=4 g=0.004 kgC=91 mC=0.091 CEx=-2.5 N/Cvx=80 m/st=2 s here, m denotes the mass,…

Q: An infinite line carries a linear uniform charge density of 25.2 nC/m). Determine the magnitude of…

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Q: A non-conducting disk of radius R = 30 cm is uniformly charged and the electric field is measured to…

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Q: Find the tensition in the string where a postively charge ball hanging at an angle of 20° due to a…

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.