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Question Number 38376 by ajfour last updated on 24/Jun/18
Commented by MrW3 last updated on 25/Jun/18
what′sthequestion?
Commented by ajfour last updated on 25/Jun/18
positionvectoroftheparticleasafunctionoftime,r¯(t)=?Considerthecurrentcarryingwiretobeverylongandgravitypresent.
Answered by ajfour last updated on 25/Jun/18
Magneticfieldat(x,y)isB=−μ0I2πxk^letvelocityatP(x,y)bev¯=vxi^+vyj^F¯=−mgj^+μ0Iq2πx(−vyi^+vxj^)m(dvxdti^+dvydtj^)=−mgj^+μ0Iq2πx(−vyi^+vxj^)dvxdt=−μ0Iqvy2πxdvydt=−mg+μ0Iqvx2πx....?
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