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Physics 1 Problem Solutions 226

Physics 1 Problem Solutions 226 - 222 Chapt 29 Magnetic...

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222 Chapt. 29 Magnetic Fields Causing Forces a) vector F = q vector E . b) vector F = qvectorv × vector E . c) vector F = qvectorv × vector B . d) vector F = vectorv × vector B . e) vector F = vectorv × vector E . 029 qmult 00410 1 1 5 easy memory: magnetic force does no work 14. The point-charge magnetic force law can work on a point charge since . Thus, a useful potential energy be defined for the magnetic force for the case of single point charge. a) vector F = vectorv × vector B ; do; dW = vector F · dvectors = qvectorv × vector B · vectorvdt negationslash = 0; can b) vector F = qvectorv × vector B ; do; dW = vector F · dvectors = qvectorv × vector B · vectorvdt negationslash = 0; can c) vector F = qvectorv × vector B ; do no; dW = vector F · dvectors = qvectorv × vector B · vectorvdt negationslash = 0; can d) vector F = qvectorv × vector B ; do no; dW = vector F · dvectors = qvectorv × vector B · vectorvdt = 0; can e) vector F = qvectorv × vector B ; do no; dW = vector F · dvectors = qvectorv × vector B · vectorvdt = 0; cannot
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