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A uniform magnetic field of magnitude 1.40 T is in the positive z direction. Find the force exerted by the field on a proton for the following proton velocities.
(a)
= 2.5 Mm/s î
pN Î +
pN j +
PNR
(b) v = 3.7 Mm/s ĵ
%3D
PN Î +
pN ĵ +
PN R
(c) = 6.8 Mm/s k
%3D
pN Î +
pN j +
PN R
(d) v = 4.6 Mms î + 3.2 Mm/s j
pNî +
pN ĵ +
PN R

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