What is the direction of the magnetic force on theproton? A. +x B. -x C. +y D. -

Question

What is the direction of the magnetic force on theproton? A. +x B. -x C. +y D. -y E. +z F. -z G. zero magnitude What is the magnitude of the magnetic force on theproton? At a particular instant a proton is traveling in the ?x direction, with speed 8 x 10^5 m/s. At the location of the proton there is a magnetic field of magnitude 0.37 T in the -y direction, due to current running in a nearby coil. What is the direction of the magnetic force on the proton? A. +x B. -x C. +y D. -y E. +z F. -z G. zero magnitude What is the magnitude of the magnetic force on the proton? |F mag=| N

Explanation / Answer

A proton is travelling in the - x direction with aspeed v = 8*105 m/s        magnetic field B = 0.37 T Magnitude of magnetic Force is F = q v* B          charge ofproton is q = 1.6*10-19 C                            F =  1.6*10-19 C *8*105 m/s *0.37 T                                 = 4.736*10-14 N direction is + Z .

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