To start a car engine, the car battery moves 9.80 ✕ 1021 electrons through the starter motor. How many coulombs of charge were moved?

Q: This time your object has a mass of 12.3 kg. Now imagine taking all the protons out of the object…

A: GivenMass of the object m=12.3 kg

Q: A particle (charge = 5.5 µC) is released from rest at a point x = 19.3 cm. If a 49.1-µC charge is…

A: ∆EK=Ui-Uf=kqQri-kqQrf=kqQ1ri-1rf=9×109 NC5.5×10-6 C49.1×10-6 C119.3×10-2 m-119.3+95.1×10-2 m=10.47 J

Q: A proton (mass = 1.67 x 10-27 kg, charge = 1.60 x 10-19 C) moves from point A to point B under the…

A:

Q: potential difference

A: Given: Mass of bead is m=4.96 g Charge is q=17.2 μC The bead is accelerated from rest through V…

Q: An electric field of 6.50×105 V/m is desired between two parallel plates, each of area 45.0 cm2 and…

A: Given, Electric field = 6.50 ×105 V/m Area = 45 cm2 = 45×10-3m2 Distance = 2.45 mm = 2.45×10-3 m

Q: How much work must be done by an external force to bring a 3.00 microcoulumb charge from infinity to…

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Q: A 35-mm camera has a single thin lens having a 50.0mm focallength. A woman 1.7m tall stands 10.0m in…

A:

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: An object has a mass of 28.8 kg. Now imagine taking all the protons out of the object and stuffing…

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Q: n starting the engine of your car, battery delivers N = 5.75 × 1021 electrons through the starter…

A: Given: The number of electron is 5.75x1021.

Q: Charge q1 = 7 nC is located at the coordinate system origin, while charge q2 = 5.29 nC is located at…

A: Determine the distance between charges q1 and q3.

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

A:

Q: An electric field of 7.50×105 V/m is desired between two parallel plates, each of area 45.0 cm2 and…

A: Given: In this question, the given values are, E=7.50×105 V/m A=45×10-4 m2 d=2.45×10-3 m To find the…

Q: If 1.28 ✕ 1020 electrons move through a pocket calculator during a full day's operation, how many…

A:

Q: A DNA molecule (deoxyribonucleic acid) is 2.17µm long. The ends of the molecule become singly…

A: Given Magnitude of Charges on the ends Q1 = Q2 = Q = 1.60 x 10-19 C Length L = 2.17 μn = 2.17 x 10-6…

Q: Two large, parallel, metal plates carry opposite charges of equal magnitude. They are separated by…

A:

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: This time your object has a mass of 67.8 kg. Now imagine taking all the protons out of the object…

A:

Q: Two 1.5 cm-diameter disks face each other, 2.4 mm apart. They are charged to ±15 nC.A proton is…

A: The diameter of the disk: The distance between the disks: The charge of the disks:

Q: A particle of mass 8.62 g and charge 3.34 microcoulombs is accelerated throught a potential…

A: Apply work energy theorem,

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

A:

Q: A student is trying to build a home-made capacitor. He uses two 1.0 cm x 1.0 cm aluminum foil as the…

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Q: A cloud has a potential difference relative to a car of 7.66 x 108 volts. During a lightning storm,…

A: The potential difference between the cloud and the car is 7.66 x 10^8 volts, and a charge of 19.3…

Q: A proton (mass = 1.67 × 10-27 kg, charge 1.60× 10-19 C) moves from point A to point B under the…

A:

Q: In one of the classic nuclear physics experiments at the beginning of the 20th century, alpha…

A: Charge on alpha particleq1 = 2e = 2 × 1.6 × 10-19 = 3.2 × 10-19 C Charge on gold nucleus q2 = 79e =…

Q: Two identical particles have the same charge of 0.15 nC are 8m apart. Because of the repulsive…

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Q: A charge of + 40 nC is distributed uniformly along the circumference of a circle with a radius of 10…

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Q: Three point charges of 0.1 C each are placed at the corners of an equilateral triangle with side L =…

A:

Q: A lightning bolt with 8 kA strikes an object for 15 μ s. How much charge is deposited on the object?

A: Given value--- A lightning bolt with 8 kA strikes an object for 15 μ s. We have to find--- How…

Q: The potential difference between a storm cloud and the ground is 2.47 x 10° V. If a bolt carrying 5…

A: Given data:  Potential difference (ΔV) = 2.47×108 V Charge (q) = 5 C Required: Magnitude of the…

Q: A molecule of DNA (deoxyribonucleic acid) is 2.12 um long. The ends of the molecule become singly…

A:

Q: To start a car engine, the car battery moves 3.65 × 1021 electrons through the starter motor. How…

A: Given: no. of electrons, n= 3.65 × 1021 To find: Total charge, Q=?

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

A: Mass of helium nucleus m =6.64×10-27 kg The speed of helium nucleus v=4.40%c The speed of light…

Q: how far was it raised or lowered?

A:

Q: You remove the -6 μC charge 4με -5 μC -6 με 8 µC 3 ст 3 ст 3 cm

A: The potential energy between the two charges is given by  U = k q q'r2 where, r is the distance…

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

A: Given  m = 6.64×10-27kg q= 2×(1.602×10-19) C

Q: A 5.70 x 10^-16 kg oil drop accelerates upward at a rate of 2.90 m/s^2 when placed between two…

A: Given: mass of the oil drop (m) = 5.7 * 10-16 kgacceleration of the oil drop (a) = 2.9 m/s2distance…

Q: A molecule of DNA (deoxyribonucleic acid) is 2.08 um long. The ends of the molecule become singly…

A: Original length (L) = 2.08 μm compression = 0.81% of L = 0.81100×2.08 μm = 0.016848 μm

Q: Suppose Q = 2 nC, like the other two charges. If the assembly of identical charges is released from…

A:

Q: A 5.0 × 106C charge is moved toward a 15 × 106. When 3.0 J of work are applied they end up at a…

A: The charge of q1=5.0×106 C The charge of q2=15×106 C Work done against the electrostatic force, to…

Q: two parallel plated that are initially uncharged are separated by 1.7 mm. What charge must be…

A: Distance between two plates: d = 1.7 mm = 1.77×10-3 mEnergy stored in the plates: U = 19.0 kJ =…

Q: 14.5 nC charge rises 290 m above Earth’s surface. By how much does the electrical potential energy…

A: Given data  The electric charge q1 = 14.5 nC  The distance d = 290 m  The electric field E = -105…

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.