Question

Magnetic fields work like electric fields, only with a twist. Magnetic field lines indicate the direction and magnitude of the magnetic field (vector) at any given point. Magnetic force, unlike the Coulomb force, acts only on moving charged particles. Note ( e=1.6022 imes 10^{-19} mathrm{C} ). Use this figure for each of three situations. For each, ( mathrm{q}=-15 mathrm{e} ) [ egin{array}{l} oldsymbol{v}=3.25 imes 10^{6} mathrm{~m} / mathrm{s} \ oldsymbol{B}=2.5 mathrm{mT} \ heta=25^{circ} . end{array} ] a) First assume a velocity coming out of the page (NOT the vector shown), and find: angle between ( oldsymbol{v} ) and ( oldsymbol{B} ) ( qquad ) direction of the force (show and label as ( oldsymbol{F}_{oldsymbol{a}} ) ) magnitude of ( oldsymbol{F}_{oldsymbol{a}}= ) b) Using the velocity vector as shown, find angle between ( oldsymbol{v} ) and ( oldsymbol{B} ) ( qquad ) direction of the force (show and label as ( oldsymbol{F}_{oldsymbol{b}} ) ) magnitude of ( oldsymbol{F}_{oldsymbol{b}}= ) c) For a velocity pointing up the page ( ( +y ) direction), find angle between ( oldsymbol{v} ) and ( oldsymbol{B} ) ( qquad ) direction of the force (show and label as ( oldsymbol{F}_{oldsymbol{c}} ) ) magnitude of ( oldsymbol{F}_{oldsymbol{c}}= ) ( qquad )

          Magnetic fields work like electric fields, only with a twist. Magnetic field lines indicate the direction and magnitude of the magnetic field (vector) at any given point. Magnetic force, unlike the Coulomb force, acts only on moving charged particles. Note ( e=1.6022 	imes 10^{-19} mathrm{C} ).

Use this figure for each of three situations. For each, ( mathrm{q}=-15 mathrm{e} )
[
egin{array}{l}
oldsymbol{v}=3.25 	imes 10^{6} mathrm{~m} / mathrm{s} \
oldsymbol{B}=2.5 mathrm{mT} \
	heta=25^{circ} .
end{array}
]
a) First assume a velocity coming out of the page (NOT the vector shown), and find: angle between ( oldsymbol{v} ) and ( oldsymbol{B} ) ( qquad ) direction of the force (show and label as ( oldsymbol{F}_{oldsymbol{a}} ) ) magnitude of ( oldsymbol{F}_{oldsymbol{a}}= )
b) Using the velocity vector as shown, find angle between ( oldsymbol{v} ) and ( oldsymbol{B} ) ( qquad ) direction of the force (show and label as ( oldsymbol{F}_{oldsymbol{b}} ) ) magnitude of ( oldsymbol{F}_{oldsymbol{b}}= )
c) For a velocity pointing up the page ( ( +y ) direction), find angle between ( oldsymbol{v} ) and ( oldsymbol{B} ) ( qquad ) direction of the force (show and label as ( oldsymbol{F}_{oldsymbol{c}} ) ) magnitude of ( oldsymbol{F}_{oldsymbol{c}}= ) ( qquad )

Magnetic fields work like electric fields, only with a twist. Magnetic field lines indicate the direction and magnitude of the magnetic field (vector) at any given point. Magnetic force, unlike the Coulomb force, acts only on moving charged particles. Note ( e=1.6022 imes 10^-19 mathrmC ).

Use this figure for each of three situations. For each, ( mathrmq=-15 mathrme )
[
eginarrayl
oldsymbolv=3.25 imes 10^6 mathrm m / mathrms oldsymbolB=2.5 mathrmmT heta=25^circ .
endarray
]
a) First assume a velocity coming out of the page (NOT the vector shown), and find: angle between ( oldsymbolv ) and ( oldsymbolB ) ( qquad ) direction of the force (show and label as ( oldsymbolFoldsymbola ) ) magnitude of ( oldsymbolFoldsymbola= )
b) Using the velocity vector as shown, find angle between ( oldsymbolv ) and ( oldsymbolB ) ( qquad ) direction of the force (show and label as ( oldsymbolFoldsymbolb ) ) magnitude of ( oldsymbolFoldsymbolb= )
c) For a velocity pointing up the page ( ( +y ) direction), find angle between ( oldsymbolv ) and ( oldsymbolB ) ( qquad ) direction of the force (show and label as ( oldsymbolFoldsymbolc ) ) magnitude of ( oldsymbolFoldsymbolc= ) ( qquad )

Added by Izzy S.

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