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Consider a charge of +1 nC (nanocoulombs, or Coulombs ×10?9) at (-3, -4) m, and a charge of -2 nC at (12, -5). Calculate the electric field strength at the origin
A circular surface with a radius of 0.062 m is exposed to a uniform external electric field of magnitude 1.55 104 N/C, What is the angle between the direction of the electric field and the normal to
You bike at 10.5 m/s directly away from your neighbor's trumpet sound and toward the sound of another neighbor's trombone, What frequency is the trombonist producing
Two people hear a tornado siren, What is the intensity level (in dB) at the farther listener relative to the other listener
The clarinet is well modeled as a cylindrical pipe that is open at one end and closed at the other. Find the wavelength and frequency of the third normal mode of vibration
You have a string with a mass of 0.0125 kg. You stretch the string with a force of 9.75 N, What is the wavelength of the standing wave you create in the string and What is the frequency
Two identical guitar strings are prepared such that they have the same length (1.91 m) and are under the same amount of tension, What is the wave propagation speed on the guitar strings
Consider a mountain range that has been uplifting at a rate of 10 m/Myr for the past 5 Myr, the mountain range to come into a steady state with tectonic uplift, Estimate the soil thickness on the side
A 24N crate is held at rest on a frictioneless incline by a rope that is parallel to the incline. The incline is 25 degrees above the horizontal
A point charge is moved in an electric field. The potential changes from -87 V to +30 V between the initial and final position. The work done by the electric field is 156 J
A particle is launched in a gravitational field (g) with an initial velocity of v nought at an angle of theta with respect to the horizontal, Write down the equations for displacements along x- and a
Point charges q1=? 4.10nC and q2=+ 4.10nC are separated by distance 3.20mm , forming an electric dipole, What is the direction of the dipole moment
Consider a capacitor created when two identical conducting plates are placed parallel and close to each in other in vacuum, what is the magnitude of the electrostatic force between the charged plates,
A 7.50-nC charge is located 1.80m from a 4.20-nC charge, find the magnitude of the electrostatic force that one particle exerts on the other
A point particle with charge q = 86 µC is placed at a corner of a cube of edge a = 12 cm, What is the flux through each of the other cube faces
A uniformly charged conducting sphere of 1.4 m diameter has a surface charge density of 11 µC/m2, Find the net charge in coulombs on the sphere
A long cylindrical insulating shell has an inner radius of a = 1.42 m and an outer radius of b = 1.62 m, What is the magnitude of the electric field at a distance of r= 0.59 m from the axis
Three point charges Q1 = 2.2 mu or micro C, Q2 = 4.2 mu or micro C and Q3 = 3.2 mu or micro C, are arranged as shown
A research submarine has a 40.0cm -diameter window 8.30cm thick. The manufacturer says the window can withstand forces up to 1.10×106N
Two point charges are on the y-axis, one of magnitude 3.0 ? 10-9 C at the origin and a second of magnitude 6.0 ? 10-9 C at the point y = 25 cm
A plate carries a charge of -3.9 µC, while a rod carries a charge of 2.9 µC. How many electrons must be transferred from the plate
Four point charges, each with Q = 8.8 µC, are arranged at the corners of a square of edge length 1.4 m. What is the electric potential at the center of the square
Two point charges lie on the x axis. A charge of +9.5 µC is at the origin, and a charge of -9.5 µC is at x = 10.0 cm, What is the net electric field at x = -4.0 cm
The potential difference between two parallel plates is 566 V. An alpha particle with mass of 6.64 10, What is the speed of the alpha particle when it reaches the other plate
A parallel-plate capacitor with C = 13 mu or micro FF is charged so as to contain 1.1 J of energy, what is the energy density (the energy per unit volume)