Recent content by Smapple

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    Concavity, inflection point, maxima, minima

    When taking the derivative, remember L is not a variable, just a number.
  2. S

    Concavity, inflection point, maxima, minima

    Look over your methods of finding critical points and points of inflection. What does the first derivative mean?
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    Displacement x of simple harmonic oscillation

    You also need another equation (or law) regarding energy.
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    First Year Physics help regarding waves

    Do you have any equations that may help you? If you share what you know and what you've tried, you're more likely to get help.
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    How Do You Calculate the Density of Earth's Core Given Its Mantle Density?

    From the givens, I got D_c = (M_e - M_m) / V_c = [ D_e*V_e - ((D_m (V_e - V_c)) ] / V_c which is equivalent to yours and an answer, though slightly different, of the same order of magnitude.
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    Find two points with opposite x-values?

    You know a function for the slope. Maybe you know a way to find the maxima of a function?