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  1. E

    physics exam

    nay, 'tis D. emf is - (change in flux) / (change in time) ack, for that satellite question ... i actually thought of the right thing but couldnt be bothered to use it (orbital velocity = 2(pi)r/T ... which is kepler's law if u equate it) ended up getting a wrong answer and was gonna come back...
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