A 2.6 mm -diameter sphere is charged to -4.5 nC . An electron fired directly at the sphere from far away comes to within 0.38 mm of the surface of the target before being reflected. a)What was the electron's initial speed? b)At what distance from the surface of the sphere is the electron's speed half of its initial value? c)What is the acceleration of the electron at its turning point?

Q: Two small charged spheres are located 5.0cm apart. One sphere is charged to +25.00 nC, the other to…

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Q: A gold nucleus emanates an electric field, holding all its electrons in place. How strong is the…

A: here distance, r=136 pm r=136×10-12 mElectric field strength:E=kqr2

Q: Between two sufficiently large flat plates charged with opposite charges there is a uniform field…

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Q: 3. An electric dipole consists of particle with a charge of +6x106 c at the origin and a particle…

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Q: A negatively charged infinite planar sheet is placed in between two positively charged planar…

A: first plate = positive second plate = positive third plate = negativethe magnitude of charge density…

Q: A point particle with mass m = 3.6 g and charge q = -4 µC is placed into a uniform electric field…

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Q: Particle A (mass = m, charge Q) and B (mass = m, charge 5 Q) are released from rest with the…

A: Given : Charge Q = 16 ×10-6C

Q: In the figure particle 1 (of charge +6.52 mC), particle 2 (of charge +6.52 mC), and particle 3 (of…

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Q: An electron has an initial velocity of 2.4×106 m/s in the +x direction. It enters a uniform electric…

A: Initial velocity of electron= 2.4 x 10^6 m/s E = 397 N/C

Q: Particle A (mass = m, charge = Q) and B ( mass= m, charge =5 Q) are released from rest with the…

A: Given: For particle A Mass = m Charge = Q = 12 µC For particle B: Mass = m Charge = 5 Q = (5 X 12)…

Q: A uniform electric field exists in a region between two oppositely charged plates. An electron is…

A: The given values are,

Q: 1. A configuration of charges is shown below. q = 5 nC x (ст) -q 10 -29 +q +39 The electric fields…

A: q = 5 nC Position of -2q = 1 cm=0.01 m Position of +q = 5 cm=0.05 mPosition of +3q = 8 cm = 0.08…

Q: A uniform E field exists between two plates of opposite charge. An electron is released from rest on…

A: Given Initial speed of the electron is v0=0 Separation between the two plates is d=2 cm=0.02 m Time…

Q: 2. Two charge plates in vacuum are 15 cm apart. The electric field between the plates is uniform and…

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Q: An electron is released from rest in a weak electric field given by E =-1.50 x 10 ^-10 N/C j (along…

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Q: A uniform electric field exists in a region between two oppositely charged plates. An electron is…

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Q: An electron is released from rest in a uniform electric field of magnitude E=150 N/C and gains speed…

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Q: The surface charge density on an infinite charged plane is - 1.60 ×10^−6C/m2. A proton is shot…

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Q: The visible portion of a lightning is preceded by an invisible stage in which a column of electrons…

A: The electric field due to an column is, E=λ2πε0RR=λ2πε0E

Q: In the figure below an electron is shot directly toward the center of a large metal plate that has…

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Q: A thin, horizontal, 20-cmcm-diameter copper plate is charged to -3.5 nCnC. Assume that the electrons…

A: Given that:Plate diameter, d=20 cm=0.2 mPlate radius, r=0.1 mCharge, q=-3.5 nC=-3.5×10-9 CTo…

Q: n electron is projected with an initial speed v0= 1.60 x 10^6 m/s into the uniform field between two…

A: Given: initial velocity, v=1.6×106 m/s distance ,x=2×10-2 m distance, y=0.5×10-2 m mass of electron,…

Q: h As shown in the figure above, a positively charged ball is placed at point A and slides down the…

A: According to the work energy theorem, the sum of the total work done on the positively charged…

Q: Two charged metal plates in vacuum are 15 cm apart as drawn in Fig D. The electric field between the…

A: distance between plates (d) = 15 cm = 0.15 m Electric field (E) = 3000 NC q = - 1.6×10-19 C me =…

Q: A uniformly charged thin ring has radius 13.0 cm and total charge 23.0 nC. An electron is placed on…

A: Energy conservation to be applied between the given initial and final positions: K1 + U1 = K2 + U2 0…

Q: Two identical balls of 29.5 g are suspended from threads of length 1.1 m and carry equal charges as…

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Q: Two parallel plates having charges of equal magnitude but opposite sign are separated by 10.0 cm.…

A: The magnitude of electric field between the plates is The potential difference between the plates…

Q: 1.94 x 10-9 C charge has coordinates x = 0, y = −2.00; a 2.85 x 10-9 C charge has coordinates x =…

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Q: A proton and an alpha particle (charge = 2e, mass = 6.64 x 10-27 kg) are initially at rest,…

A: Given A proton of mass mP andAn alpha particle Charge,q=2e and mass , ma=6.64×10-27 kginitially both…

Q: Two horizontal parallel plates are separated by a distance of 174 mm creating an electric field of…

A: Given data: Here, d represents the distance, E represents the electric field, v represents the…

Q: Two point charges q = 1.5 µC, and q2 = -1.5 µC are separated by a distance d = 5.0 cm. a) On each of…

A: Given data: Charge q1=1.5μC   q2=-1.5μC  Separated by distance ,d= 5cm = 0.05 m

Q: In the figure particle 1 (of charge +7.98 mC), particle 2 (of charge +7.98 mC), and particle 3 (of…

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Q: charge has coordinates x = 3.00, y = 0; and a -5.20  10-9 C charge has coordinates x = 3.00, y =…

A: Let us  a three charge q1= 1.86 x 10-9 c has coordinates x =0 ,y = -2.0  q2 = 3.21 x 10-9 C has…

Q: In the figure particle 1 (of charge +2.34 mC), particle 2 (of charge +2.34 mC), and particle 3 (of…

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Q: A uniformly charged, thin ring has radius 15.0 cm and total charge +24.0 nC. An electron is placed…

A: Given Data: The radius of the ring is, r = 15 cm. The charge is, Q = 24 nC. The final displacement…

Q: :) A point charge Q = -30 nC is located at m. We want to find the electric field at location A m.…

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Q: . Protons are projected with initial speed v; = 9.55 km/s field electric into a region where a…

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Q: A helium nucleus, called an alpha particle, has a charge of 2e and mass of 4mp, where e and mp are…

A: We are given,        Charge on α-particle = 2e       mass of α-particle     = 4mp and        Charge…

Q: Particle A (mass = m, charge = Q) and B (mass = m, charge = 5 Q) are released from rest with the…

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Q: The classic Millikan oil drop experiment was the first to obtain an accurate measurement of the…

A: Given Radius of oil drop r=2.5×10-6 m density ρ=897 kg/m3 Charge on elecrton e=1.6×10-19 C

Q: A semicircle of radius a is in the first and Figure second quadrants, with the cen- ter of curvature…

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Q: A point charge q1 = +5.00 micro Coulomb is held fixed in space. From a horizontal distance of 6.00…

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Q: A simple and common technique for accelerating electrons is shown in the figure below, where a…

A: a= f/m where f= force on the paticle and m= mass of the particle. We know Mass of electron(m) =…

Q: An electron is initially moving to the right when it enters a uniform electric field directed…

A: Since, electron have  net negative charge. therefore  , direction of force acting on electron will…

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.