Adevice called a railgun uses the magnetic force on currents to launch projectiles at very high speeds. an idealized model of a railgun is illustrated in (figure 1 . a 1.2 v power supply is connected to two conducting rails. a segment of copper wire, in a region of uniform magnetic field, slides freely on the rails. the wire has a 0.85 m? resistance and a mass of 5.2 g . ignore the resistance of the rails. the power supply is switched on.
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Physics, 22.06.2019 06:20
Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.
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Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?
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Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.
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Adevice called a railgun uses the magnetic force on currents to launch projectiles at very high spee...
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