Suppose that there is no magnetic field for any x<, while for x>0, there is a con magnetic field B,- (2.0 7') (in the di

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Suppose That There Is No Magnetic Field For Any X While For X 0 There Is A Con Magnetic Field B 2 0 7 In The Di 1 (27.71 KiB) Viewed 40 times

Suppose that there is no magnetic field for any x<, while for x>0, there is a con magnetic field B,- (2.0 7') (in the direction). A dust mote of mism-5 10 kg charge -16nC drifts across the x-plane with a velocity -(6,3 s) 24. What is the magnitude of the magnetic force which acts on the dust mote? (a) 6.4x10-N (b) 10x10-17 (c) 6x 10-IN (d) 0.20 N (e) 2nN 25. What is the direction of the magnetic force which acts on the dust mote? (a) +x-direction (b) +3-direction (e) ---direction (d)-y-direction (e) +z-direction 26. What is the magnitude of the acceleration (from the magnetic forec) acting on the dust mote? (a) 8 m/s (b) 50 um's (c) 1.7 mm's (d) 4 cm/s () 4 m/s 27. What is the radius of the circle in which this force would move the dust mote (while x > 0)? (Of course, gravity acts on the mote also, so that the trajectory actually followed is a helix, with the indicated radius.) (a) 3x10 m (b) 0.5 mm (c) 0.6 cm (d) 1.0 cm (e) 0.4 m