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Kinematic/Isolating Problem

  1. Oct 23, 2007 #1
    1. The problem statement, all variables and given/known data
    Alright so I'm in grade 11 Phys Uni-prep class(in canada so im like 10x behind comparing to the states) and I'm having troubles Isolating some stuff.


    2. Relevant equations
    Eg.
    d=(v1+v2/2)t
    So lets say I want to isolate v1. I know how to isolate it for t which would be
    d/v1+v2/2=t

    3. The attempt at a solution
    So my attempt for isolating v1 would be wrong which i already know.
    v1=....... from d=(v1+v2/2)t

    Plz need some help before thrusday, have a small quiz
    I know what to do when I get the numbers, just some of the isolation stuff im iffy about.
    ty
     
    Last edited: Oct 23, 2007
  2. jcsd
  3. Oct 23, 2007 #2
    Lets get the t on the other side:

    [tex]d/t = v_1 + {v_2}/2[/tex]

    Does this help??

    Sam
     
  4. Oct 23, 2007 #3
    possibly,
    but i was hoping(im not sure if this is possible im just giviing myself random questions to do)
    v1=........
     
  5. Oct 23, 2007 #4
    i got it :)

    the answer was
    v1= d/t - 1/2at^2

    i did it step by step and i did it
     
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