Recent content by meowers

  1. M

    Significant Figures in Addition/Subtraction Problems Explained

    2340-100 For addition/subtraction problems you are supposed to use the number with the fewest digits to the right of the decimal point, but in this case, there are no decimals. My teacher gave an answer of 2200. Why is this the case instead of 2240 or 2000?
  2. M

    Uniform circular motion question

    A ball of mass m is attached by two strings to a vertical rod. as shown above. The entire system rotates at constant angular velocity about the axis of the rod. a)Assuming ω is large enough to keep both strings taut, find the force each string exerts on the ball in terms of ω, m, g, R, and ...
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