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    Non-Linear ODE Question

    Hey Guys, I am really confused about the first problem on my first problem set in Diff Eq (not auspicious is it? Oh well...) Draw the Direction field y' = y -y^2. Identify Isoclines and any equlibrium solutions. I don't understand how to approach this problem because doesn't the y^2...
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    Relativity Question

    Thank you so much!! I can't believe I didn't realize that x = 0!
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    Relativity Question

    Homework Statement In reference frame S two events occur at the same point; event A occurs 1.90 seconds before event B. In another frame, S′, event A occurs 2.45 seconds before event B. How far apart are events A and B in frame S′? Homework Equations x'=gamma (x-vt) t' = [t -...