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its constant velocity because its horizontal, refer to newtons laws, so should be the same, i dont think it said anything about resistance or friction.

i thought this would happen, u must have impaired vision, if you read it, it says electron flow, which means conventional current flows in its opposite direction.

hmmm, im not quite sure about you answers but i got 6MJ, it kinda seems dumb but it makes sense. oh yeah, if you read the question, it said it was statinary, so all u people who did centripital for or sumthing to do with that have a high possibility of being incorrect. work equals force...

the most controversial 3 quetions, 8, 9 and 10. for 8 im agree with everyone who got A coz it is, well proof is, it asks variation in magnetic flux, flux is calculated by theta=BxAcosY, confusion is, its Y is the angle between the perpendicular of the flux and area, if u know what i mean...

i would if i knew how to

u could just recalculate it with those figures 45m/s vertical and 60m/s horizontal, but a quick answer would be sumthing like gamecw's