: A cathode ray beam (an electron beam, me = 9.1x10-31 kg, q = -e) is bent in a circle of radius 2cm by a uniform field with B = 4.5X10-3 T. What is the speed of the electrons?
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materials for thermal evaporation of vacuum deposited thin films. These materials include elemental, alloy, composite, metallic, ceramic, cermet, refractory as well as “special” materials in a variety of purity levels. These materials are typically available in bulk forms ranging from pellets to graduals to cubes.
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