本题目来源于试卷: Magnetism Magnetism，类别为 IB物理学
[问答题]
One form of mass spectrometer accelerates ions by a voltagbv2 k,6g lk-s1/qzdxve V beforfk9+i6-hxill+ z kmt5e they enter a magnetic field B. The ions are assumed to start from rest. Show that the mass of am h6ll-t9+5xkf+k iz in ion is $m=qB^2R^2/2V,$ where R is the radius of the ions’ path in the magnetic field and q is their charge.
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