The figure below shows a small, charged sphere, with a charge of q = +42.0 nC, that moves a distance of d = 0.188 m from point A to point B in the presence of a uniform electric field E of magnitude 250 N/C, pointing right. B (a) What is the magnitude (in N) and direction of the electric force on the sphere? magnitude N direction --Select-- (b) What is the work (in J) done on the sphere by the electric force as it moves from A to B? (c) What is the change of the electric potential energy (in J) as the sphere moves from A to B? (The system consists of the sphere and all its surroundings.) PE - PEA = (d) What is the potential difference (in V) between A and B? V8 - VA =

The figure below shows a small, charged sphere, with a charge of q = +42.0 nC, that moves a distance of d = 0.188 m from point A to point B in the presence of a uniform electric field E of magnitude 250 N/C, pointing right. B (a) What is the magnitude (in N) and direction of the electric force on the sphere? magnitude N direction --Select-- (b) What is the work (in J) done on the sphere by the electric force as it moves from A to B? (c) What is the change of the electric potential energy (in J) as the sphere moves from A to B? (The system consists of the sphere and all its surroundings.) PE - PEA = (d) What is the potential difference (in V) between A and B? V8 - VA =

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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The figure below shows a small, charged sphere, with a charge of q = +38.0 nC, that moves a distance of d = 0.171 m from point Ato point B in the presence of a uniform electric field E of magnitude 280 N/C, pointing right. (a) What is the magnitude (in N) and direction of the electric force on the sphere? magnitude n? (b) What is the work (in J) done on the sphere by the electric force as it moves from A to B? J?? (C) What is the change of the electric potential energy (in J) as the sphere moves from A to B? (The system consists of the sphere and all its surroundings.) PEB − PEA = ? J (D)What is the potential difference (in V) between A and B? VB − VA = ? V
EVALUATE THE STATEMENTS. An electric field does positive work on a charged particle if (I) a negative charge moves opposite to the direction of the electric field. (II) a positive charge is moved to a point of higher potential energy. I is correct, II is wrong. I is wrong, II is correct. Both I and II are correct. Both I and II are wrong.
PHY 103 – Homework 3 -144220 Question 1 A charge q=7µC_ is located at the 0.3m origin, and a second charge q2=-5µC is located on the x axis as shown in 0. Im figure. P! 9,(+) 9:(-) a) Find at point P the electric potential due to charges q, and q2. b) Find the change in potential energy of the system of the two charges plus a charge q3 = -4µC as the latter charge moves from infinity to point P.
The figure below shows a small, charged sphere, with a charge of q = +41.0 nC, that moves a distance of d = 0.177 m from point A to point B in the presence of a uniform electric field E of magnitude 265 N/C, pointing right. (a) What is the magnitude (in N) and direction of the electric force on the sphere? (b) What is the work (in J) done on the sphere by the electric force as it moves from A to B? (c) What is the change of the electric potential energy (in J) as the sphere moves from A to B? (The system consists of the sphere and all its surroundings.) (d) What is the potential difference (in V) between A and B?
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Find the force vector F on an object of mass m the uniform gravitational field when it is at height z = 0. The +z direction is up. Express vector force in terms of m, z. g. and k, where k is the unit vector in the +z direction. To create the k character: In the equation editor window, select "More", then select "Vectors", and you will find what you need. To write out a vector: for example, if the answer has both x and y components, you would answer in the format Fi + Fj F(z) = -mgk Now find the gravitational potential energy U(z) of the object when it is at an arbitrary height z. Take zero potential to be at position z=0. Keep in mind that the potential energy is a scalar, not a vector. Express U(z) in terms of m. z. and g. U(2)= In what direction does the object accelerate when released with initial velocity upward? downward Oupward or downward depending on the initial mass m. upward or downward depending on the initial velocity upward Now consider the analogous case of a particle…
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An external agent moves a particle of charge -Q with a constant velocity in a region where an electric dipole exists as shown in the figure. The particle follows three different paths given by I, II, and III. What is the correct order of the work done on the particle by the force with respect to the paths? Note: the red lines in the figure indicate electric field lines while the blue dashed lines indicate the equipotential lines. OA) W₁>W>W III OB) W₁=W=W 09) W₁W₁>WIII O E)
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4.00 kQ b g E Ez R3 70.0 V T60.0 V 80.0 V R2 3.00 kQ C=10µF 2.00 kQ Under steady state condition, Find the potential difference between points c and f (V;-V). (Using Kirchhoff's rules ) Your answer: O A) Vf-Vc=-69.2 V O B) Vf-Vc=-67.2 V O C) Vf-Vc=+67.2 V O D) Vf-Vc=+65.2 V O E) Vf-Vc=-65.2 V
In a certain region R of space, the electric potential is given by: V=x-y+xy+2z (V). Find the electrostatic energy stored in a cube of sides 1-2 m, centered on the origin of coordinates. a) 0,136 nJ b) 0,236 nJ c) 0,336 nJ d) 0,436 nJ e) 0,536 nJ