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Two long parallel wires each carry 2.7 Amp in the similar direction, with their centers 1.7 centimeter apart.
Part A Obtain the magnitude of the magnetic field halfway between the wires.
Part B Obtain the magnitude of the magnetic field at a point in the same plane as the wires, 1.7 cm from one wire and 3.4 cm from the other.
Part C Obtain the magnitude of the force of interaction (per length) between the wires.
Part D Tell whether the force is attractive or repulsive.
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A sound wave propagates in air at 28°C with frequency 3.20 kHz. It passes through a region where the temperature gradually changes, and then it moves through air at 0°C. (a) What is the speed of the wave at 0°C? (b) What is the wavelength of the wave..
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