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Problem: A wire has a diameter of 1.35 mm and a length of 35.6 m, and is found to have a resistance of 1.3 capital omega.
Part A: What is the resistivity of the wire?
Please show all steps to find what the resistivity of the wire.
Two parallel wires are each carrying 10 A and are separated by 4.0 m. If the currents are in opposite directions, what is the magnitude of the magnetic field halfway between them?
A 3.1 kg bundle starts up a 30° incline with 178 J of kinetic energy. How far will it slide up the incline if the coefficient of kinetic friction between bundle and incline is 0.30
A 100 gram bead is free to slide a long a piece of 0.8 m long string ABC. the ends of the string are attached to a vertical rod at point A and B, which are o.4m apart. when the rod is rotated, BC is Horizontal and equals to 0.3m. (a) what is the t..
A car traveling at 30m/s overtakes another car only going 25m/s. When the faster car is still behind the slower car, it sounds a horn of frequency 1500Hz. What is the frequency heard by the driver in the slower car?
A large block of copper initially at 20.0oC is placed in vat of hot water (80.0oC). For the first 1.0 J of heat that flows from the water into the block, find the entropy change of the water
A magnetic feild has a magnitude of 1.2x10^-3 T, and an electric feild has a magnitude of a 4.6x10^3 N/C. Both feilds point in the same direction. A positive 1.8μC charge moves at a speed of 3.1 x10^6 m/s in a direction that is perpendicular to bo..
You power a series R-L-C circuit with a sine-wave generator operating at a frequency 1.00 kHz. What is the rms voltage supplied by the source
You are asked to hang a uniform beam and sign using a cable that has a breaking strength of 435 Newton. Find the minimum angle that you can have between the beam and cable
A block is weighing 100 Newton is pushed on a horizontal table at constant velocity by a 25 Newton force, Find coefficient of kinetic friction between book and table
Company's main competitor has built an extremely efficient transformer and is trying to market it saying that the new transformer is able to step up energy. Do you agree with their statement? What would you say?
An electron is a subatomic particle (m = 9.11 x 10-31 kg) that is subject to electric forces. estimate the magnitudes of the net force acting on electron
Derive an expression for the surface temperature of the Sun, in terms only of its solid angle, its flux per unit wavelength f(lambda1) at Earth at one wavelength (lambda 1) and its fundamental constants
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