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    Marginal Error of Prayer Directions

    If you are trying to pray towards Mecca for example (a small point on earths, assume spherical, surface) and you are standing on the exact other side your angle doesnt matter since every angle you face at will Cross mecca. Now my question is how do you go about calculating the effect of a 1...
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    UBER EASY QUESITON: just need to make sure

    Just a general question. If you drop a object (air resistance negligible) and you know the t initial is 0 and you know the t final is w/e you get on your stop watch. You do d/t to get average velocity of the fallen object. Now that you have the avrg velocity you know the V initial is zero...
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    UBER EASY QUESTION: just need to make sure.

    Homework Statement Create a lab to find the gradational constant of the earth. Homework Equations a = d/(t^2) The Attempt at a Solution Just a general question. If you drop a object (air resistance negligible) and you know the t initial is 0 and you know the t final is w/e you...
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    Bizzare question on friction constant

    Homework Statement Create a lab experiment where you can find the friction constant of the tissue box with the floor (no surface tilting or accelerometer allowed). Materials: Various Weights Tissue Box Ruler Timer spring scales So since I couldn't vary the inclination of the...
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