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Excel spreedsheet for Range formula- Lab

  1. Mar 10, 2007 #1
    I have to program the range formula R= [Vo2sin(2*theta)]/g, into an Excel spredsheet. I need to progran the equation for various values of 'theta' to determine for which value(s) of 'thet' is the range maximum.

    Table should have left side Injection angle (degrees), right side Range (R). The injection angle will go from 0 to 90 degrees in steps of two degrees.

    Problem = I do not know Excel! Can someone help me on this?
  2. jcsd
  3. Mar 11, 2007 #2


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    Well, first you need to pick a value for V_0. Then make the column theta start at some value, and increase 2 degrees in each row until you get to 90. In the next column, you simply type in the equation for range, with the parameters you know, making sure get excel to insert the value in the corresponding left column cell in place of the theta value.
  4. Dec 17, 2007 #3

    I tried this as well and am receiving alot of negative numbers which can't be right.

    G=10 m/s^2
    In column A I numbered each row 0 to 90 increments of 2.

    Then in column B programmed the following formula =10*2*SIN(2*A4)... A4 is the cell number value which = 4 in this case

    Then the next row I had it take the value of B and divide it by 10^2 since G=10

    Please advise
  5. Dec 17, 2007 #4


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    Gold Member

    Be careful!!!

    Excel calculates angles in radians!!!

    You must change to degrees first.. there is a function in excel that does this, but my the life of me I cannot remember :uhh:

    1 sec .. .


    Jerry Hester to the rescue once again (his tutorials really have been invaluable)
    Last edited: Dec 17, 2007
  6. Dec 17, 2007 #5
    Okay that makes sense, but how do I do it when I have an equation such as
  7. Dec 17, 2007 #6


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    Gold Member

    Not 100% here, so you may want to check with a calculator .. .

    [tex] V_o 2*\sin {(RADIANS(2*\theta)) [/tex]
  8. Dec 17, 2007 #7
    now how do I apply inExcel??
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