A metal bar of mass m slides frictional on two parallel conducting rails a distanced 1 apart shown in figure. A resistor R is connected across the rails and a uniform magnetic field B, pointing into the page, fills the entire region. a) The initial kinetic energy of the bar was, mvž, show that the energy delivered to the resistor is exactly mv3 ww-

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A metal bar of mass m slides frictional on two parallel conducting rails a distanced1 apart shown in
figure. A resistor R is connected across the rails and a uniform magnetic field B, pointing into the
page, fills the entire region.
a) The initial kinetic energy of the bar was, mv3, show that the energy delivered to the resistor is
exactly mv3
Transcribed Image Text:A metal bar of mass m slides frictional on two parallel conducting rails a distanced1 apart shown in figure. A resistor R is connected across the rails and a uniform magnetic field B, pointing into the page, fills the entire region. a) The initial kinetic energy of the bar was, mv3, show that the energy delivered to the resistor is exactly mv3
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