Electric Field
At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 248 N/C. At a distance r2 from the charge, the field has a magnitude of 132 N/C. What is the ratio r2/r1?
At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 248 N/C. At a distance r2 from the charge, the field has a magnitude of 132 N/C. What is the ratio r2/r1?
Two particles, with identical positive charges and a separation of 2.60 x 10^-2 m, are released from rest. Immediately after the release, particle 1 has an acceleration a1 whose magnitude is 4.60 x 10^3 m/s^2, while particle 2 has an acceleration a 2 whose magnitude is 8.50 x 10^3 m/s^2. Particle 1 has a mass of 6.00 x 10^-6 k
Part A. Consider N point charges located at the vertices of a regular N-sided polygon. The radius of the circle that passes through all of these charges is R. The total charge on all of the points is Q, and each point has charge Q/N. Take the center of the circle to be the origin of your coordinate system, one of the vertices t
Consider the capacitor formed by a conducting sphere with radius R1 surrounded by a concentric conducting spherical shell with inside radius R2 and outside radius R3. (1) Calculate the potential of the outer shell when charge Q is put on it and the inner shell is grounded. (2) Calculate the potential of the inner shell when
In this simulation, the red green and blue charges are originally at the vertices of an isosceles triangle. The green and blue are fixed in space and the red charge is allowed to move. Find the Net Coulomb force (magnitude and direction) on the red object due to the green and blue charged objects after 1.00s has elapsed. See
Three small spheres with charge 2.00 mC are arranged in a line, with sphere 2 in the middle. Adjacent spheres are initially 8.0 cm apart. The spheres have masses m_1 = 20.0 g, m_2 = 85.0 g, and m_3 = 20.0 g. Their radii are much smaller than their separation. The three spheres are released from rest. 1. Find the accelerat
Hello, The problem is stated as follows: Two protons are aimed directly toward each other by a cyclotron accelerator with speeds of 1500 km/s, measured relative to the earth. Find the maximum electrical force that these protons will exert on each other. Use 8.85*10^-12 F/m for the permitivity of free space, 1.60 *10^-19
See attachment for better formula representation and diagrams. 1. Across what potential difference does an electron have to be accelerated in order to reach the speed v = 9e7 m/s? Non-relativistically V Relativistically V When should you use relativistic calculations? 2. An electron entering Thomson's e/m appa
2 small spheres with mass m = 15.1 g are hung by silk threads of length L = 1.21 m from a common point. When the spheres are given equal charges, so that q_1 = q_2 = q, each thread hangs at an angle theta = 26 degrees from the vertical. Find the magnitude q. Use 9.81 m/s^2 as the acceleration due to gravity and 8.85 * 10^
2 tiny conducting balls of identical mass (m), and identical charge (q), hang from separate nonconducting threads of length, L. the threads are hanging from the same point such that a triangle is formed. The distance separating the 2 charges is x. and the angle formed at the apex is 2*theta. Assume that theta is so small that t
(See attached file for full problem description). --- a) Two charges, Q1 and Q2 are separated by distance r. State Coulomb's law and write down the force each charge. Explain the condition for a repulsive force and for an attractive force. b) What is the magnitude and direction of the force between two charges of -10µC a
Coulomb's law and electrostatic force. See attached files for full problem description.
#1. Is it possible for one object to gain mechanical energy from another without touching it? Explain. #2. A ball is thrown straight upward on the Moon. Is the maximum height it reaches less than, equal to, or greater than the maximum height reached by a ball thrown upward on the Earth with the same initial speed (no air resi
Three identical charges +q and a fourth charge -q form a square of side a. a) Find the magnitude of the electric force on a charge Q placed at the center of the square. b) Describe the direction of this force.
Two small spheres of mass (m) are hung by silk threads of length (L) from a common point. When the spheres are given equal positive charge, each thread hangs at an angle of 25 degrees from the vertical. Treat the spheres as point charges. Find the magnitude of charge on each sphere. (See attached file for diagram)
Please help me with the attached problem.
1. A tiny ball (mass = 0.015 kg) carries a charge of -20 µC. What electric field (magnitude and direction) is needed to cause the ball to float above the ground? 2.At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 284 N/C. At a distance r2 from the charge, the field has a mag
Electric intensity due to an infinitely charged plane is charge density/2.permittivity and it is independent of distance .Explain.
Two point charges, the first with a charge of +3.13 x 10^-6 C and the second with a charge of -4.47 x 10^-6 C, are separated by 25.5 cm. (a) Find the magnitude of the electrostatic force experienced by the positive charge. (b) Is the magnitude of the force experienced by the negative charge greater than, less than, or the same a
The attractive electrostatic force between the point charges +8.44 x 10^-6 C and Q has magnitude of 0.975 N when the separation between the charges is 1.31 m. Find the sign and magnitude of charge Q.
Please show all work and show all equations used and diagrams, etc. etc. so I understand completely please. 1) A metal sphere carries a charge 5*10^-9C and is at potential 0f 400V, relative to the potential far away. the potential at the center of the sphere is: 2) A 5cm radius isolated conducting sphere is charged so its
The force between two point charges is given by F = (k(q_1)(q_2))/r^2 k = 9.0 * 10^9 * (N * M)/C^2 Using Coulomb's Law, What is the force, in billions of Newtons, rounded to the nearest whole number, between a pair of like charged particles if one particle is 2.0 Culomb and the second particle is 2.0 Culomb and they ar
An ά-particle, with mass of the proton and charge q=2e is shot with speed 8 x 10^6 m/s at an angle of 25 degree to an x-directed magnetic field B = 0.20 T. Describe all aspects of the motion fully.
At what angle will the electrons leave the uniform electric field at the end of the parallel plates (point P in Fig. 21-40)? Assume the plates are 5.4 cm long and E = 5.6 10^3 N/C. Ignore fringing of the field (counterclockwise from the x axis is positive).
Two point charges have a total charge of 590 uC. When placed 1.30 m apart, the force each exerts on the other is 22.8 N and is repulsive. What is the charge on each?
Hi. Can someone please walk me through the following problem? Two point charge lie on the x axis. A charge of +9.9 micro-Coulombs is at the origin, and a charge of -5.1 micro-C is at x = 10.0 cm. a) At what position x would a third charge q3 be in equilibrium? b) Does your answer to part (a) depend on whether q3 is positi
Please see attached diagrams for problem and question, thanks. +Q = fixed charge, +q = positive test charge, theta = angle, s = separation distance. No values are given in the question. Question: a) Rank these arrangements in order of magnitude of force experienced by the test charge. b) For arrangements F and G find the e
Compare the elements B, Al, C, and Si. a) Which has the most metallic character? b) Which has the largest atomic radius? c) Which has the most negative electron affinity? d) Place the three elements B, Al, and C in order of increasing first ionization energy. Using an orbital box diagram and the noble gas notation
A uniform electric field has a magnitude of 2.1E3 Newtons/Coulombs. In a vacuum, a proton begins with a speed of 2.0E4 meters/seconds and moves in the direction of this field. Find the speed of the proton after it has moved a distance of 1.0mm.
Three positive particles of charges Q = 61.8 micro coulombs are located at the corners of an equilateral triangle with a side L = 16.3cm. Calculate the magnitude of the net force on each particle.