An electron is placed at rest in an electric field of 460 N/C. Which of the followings is the speed of the electron 32.0 ns after being released? ( e = 1,6 x 10-19C,Eo=8,85 × 10-12c?/N.m², mej= 9,1l× 10-31kg, m, = 1,67 × 10-27kg) Your answer: O A) 1.4 x 10³ m/s B) 0.8 x 106 m/s C) 2.6 x 106 m/s D) 0.3 x 104 m/s E) 2.2 x 106 m/s

Q: The velocity of a particle (m = 10 mg, q = - 4.0 µC) at t = 0 is 20 m/s in the positive x-direction.…

A: Answer:20m/s Options are incorrect.

Q: A small particle with a mass 0.21 g of enters an electric field with a strength of…

A:

Q: What is the escape speed for an electron initially at rest on the surface of a sphere with a radius…

A: To answer: The escape velocity for an electron initially

Q: An electron is to be accelerated in a uniform electric field having a strength of 1.40 x 10° V/m.…

A:

Q: Two protons, initially separated by a very large distance (ri is infinity), move directly toward…

A: charge on each proton (q) = 1.6×10-19 C distance of closest approach (d) = 8×10-14 m

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: In the figure shown, determine the minimum horizontal speed to the right at which an electron must…

A:

Q: An electron is released from rest from point P in a region filled with a uniform electric field…

A: The acceleration of a particle in the electric field is a=qEm Here a is the acceleration of the…

Q: An electron of mass me = 9.1 × 10−31 kg is accelerated in the uniform electric field E between  two…

A:

Q: What potential difference is needed to give a helium nucleus (Q = 3.2 x 10-1ºC) 124 keV of kinetic…

A: The charge of the helium nucleus is Q = 3.2x10-19 C. The kinetic energy is E = 124 keV.

Q: In large CRT televisions, electrons are accelerated from rest by a potential difference of 23.88 kV…

A:

Q: An electron is to be accelerated in a uniform electric field having a strength of 1.12x What energy…

A: Given data: An electron is accelerated in uniform electric field  Electric field (E) = 1.12×106 V/m…

Q: An electron with speed vo = 12.6 x 106 m/s is traveling parallel to a uniform electric field of…

A:

Q: Problem 4: An electron is initially at rest in a uniform electric field having a strength of 1.8 ×…

A: Given information: The strength of the electric Field (E) = 1.8×106 V/m Part a: The distance…

Q: If the potential difference is needed to stop an electron is -0.349 V, what was the initial speed of…

A: Given data The potential difference is given as V = - 0.349 V.   Balancing the potential energy and…

Q: An electron is initially at rest at distance 0.15 m from a fixed charge Q = -5.00×10-⁹ C. The…

A:

Q: The uniform electric field between two parallel plates of opposite and separate loads of 40 mm has…

A: Positive charge flows in the direction of electric field while negative charge flows opposite to the…

Q: Two parallel plates with a dielectric (k=3.75) in between are separated by a distance of 2.00 mm.…

A:

Q: Calculate the initial (from rest) acceleration of a proton in a 40 N/C electric field. mp=…

A: Given:-  E= 40 N/C mp = 1.67 *10-27 Kg  qe = 1.60 * 10-19 C

Q: A proton is placed at rest in an electric field of 510 N/C. Calculate the speed of the electron 47.0…

A: Given:  E = 510 N/C  t = 47 ns

Q: What is the escape speed for an electron initially at rest on the surface of a sphere with a radius…

A: The radius of the sphere is 1.10 cm. The uniformly distributed charge on the sphere is 1.70×10-15 C.…

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.