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Homework Help: Physics(experiment and uncertainty)

  1. Jul 25, 2010 #1
    A variable a varies as follows a= √ k/ x^3 - b where k and c are constant.

    PLEASE I NEED HELP TO FILL THIS TABLE. I MUST INCLUDE THE UNCERTAINTY.FOR THE THIRD COLUMN I NEED TO (x)^3 THAT’S OK, BUT I AM HAVING PROBLEMS FOR THE LAST COLUMN WHERE THE ANSWER FOR THE FIRST ROW IS GIVEN IN THE TABLE
    I include the dot to make the structure of the table visible because when i press on save the figures get mixed x/m is the first column, a/m is the second, x^3 is the third and the last is the fourth





    X/m...... a/m ............ X^3/m^3........ 1/a^2 x 10^-3 / m^-2
    3.1....... 5.41 +-0.02 .... (3.1)^3 .................. 34.2 +- 0.03
    2.7....... 5.31+-0.02 ..................
    2.0...... 5.21+-0.02 .........................
    1.0...... 5.16+-0.02................................
    -2.0..... 5.09+-0.02..... .........................

    +- ....> IS LIKE
    +
    - .....I CANNOT WRITE IT HERE THAT IS THE + AND - IS ABOVE EACH OTHER (UNCERTAINTY) TRY TO EXPLAIN ME THE FIRST COLUMN BY OBTAINING THE ANSWER.
     
    Last edited: Jul 25, 2010
  2. jcsd
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