A thin plastic rod of length 2.1 m is rubbed all over with wool, and acquires a charge of 56 nC, distributed uniformly over its surface.Calculate the magnitude of the electric field due to the rod at a location 6 cm from the midpoint of the rod. Do the calculation twoways, first using the exact formula for a rod of any length, and second using the approximate formula for a long rod.(a) exact formulaE = = i227.95N/C

Answered: A thin plastic rod of length 2.1 m is…

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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There are two point charges q1=(7.000x10^0) µC and q2=(-3.0000x10^0) µC. q1 is located at origin (0, 0). q2 is located at (4.00x10^0) m,(5.000x10^0) m). Now we place another point charge q3 = (1.0000x10^1) µC at ((4.00x10^0) m, 0), i.e. q3 is right underneath of q2. Please calculated the X-component of the electrostatic force on q3 . Give your answer in the unit of N with 3 sf. Note: Use the sign to represent the direction, for example -2.11x10^-4 means the force is on the negative x direction.
A non-conducting sphere 15.0cm in diameter has a total charge of 2.25µC distributed uniformly throughout its volume. Plot the magnitude of the electric field, E, as a function of the distance, r, from the center of the sphere, from r =0cm to r =30.0cm. (The graph must be madeon computer)
A ring of radius 0.5m has a gap of 0.002n m. If the ring carries a charge of +1.0C distributed uniformly along it, then the electric field at the centre of the ring is (a) 7.5x10' NC (b) 7.2x10' NC + (c) 6.2x10' NC + + (d) 6.5x10' NC
A 28-cm long charged wire with a total charge of -84 nC is bent to form three quarters of a circle and placed symmetrically with respect to the axis, as shown in the figure below. y -84 nC € 45 0 45 28 cm Assuming that the charge is uniformly distributed along the length of the wire, what is the magnitude of the electric field in kv/m at the center of this circle? Give your answer correct to two decimal places.
A long silver rod of radius 3.0 cm has a charge of 5 microcoulombs per meter on its surface. Find the magnitude of the electric ﬁeld at a point 5.0 cm from the center of the rod (an outside point). Round to 2 significant figures. what is the electric field at a point 2 cm from the central axis of the rod
A metal sphere with a surface area of 0.283 m2 carries a charge of +2.0μC uniformly distributed over its surface. What is the magnitude of the electric field?
A very large (can be considered infinite) plastic sheet is uniformly charged. The charge in 1.00 m2 area of the sheet is Incasured to be 4.71 E-6 C. What is the electric field magnitude at a point 2.14B-2 m away from the sheet (answer a positive number in N/C)? Physics constants: Number = = 3.14 Coulomb constant k = 1/(476) = 8.99E9 N•m/C2 Permittivity of vacuum &g = 8.85B-12
Problem 6: A conducting sphere of radius r1 = 0.18 m has a total charge of Q = 1.4 μC. A second uncharged conducting sphere of radius r2 = 0.42 m is then connected to the first by a thin conducting wire. The spheres are separated by a very large distance compared to their size. What is the total charge on sphere two, Q2 In coulombs
An object having a net charge of 25.9 µC is placed in a uniform electric field of 609 N/C directed vertically up. What is the mass of this object if it “floats" in the field? The acceleration due to gravity is 9.8 m/s?. Answer in units of g.
A charge of 2.5 uC (micro-Coulombs) is distributed evenly along a rod of length 6m. If the rod is bent into a circular arc with a radius of curvature of 2.4m, what is the magnitude of the electric field at the centre of curvature? Use units of N/C.
Imagine you have four identical charge q, placed on the corners of a square. If q = 10.97 nC, then the side of the square is s = 13.32 cm, calculate the magnitude of the electric field acting on the charge at the upper right corner. NOTE: Final answer in SIX decimal places. Then, state the SI unit of the variable being sought off.
A 0.4 g object is placed in a 449 N/C uniform electric field. Upon being released from rest, it moves 62 m in 1.8 s. Determine the object's acceleration & charge magnitude. Assume the acceleration is due to the E-field (i.e., ignore all other forces). a = Q =

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