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Two questions

  1. Jan 27, 2009 #1
    im studying for my grade 10 final exam and ive lost my basic formulas note. could someone please post the formulas to find
    distance ( maybe)
    ( i think its in relation to distance and time and speed)
    also in my review sheet there is this question
    a ;arge boulder is positioned precariously on a ledge. The boulder is disturbed and falls into the river below under the force of gravity with an acceleration of 9.81 m/s (squared)
    a) how high up was the ledge?
    which formula would i use to solve that? thanks in advance.
  2. jcsd
  3. Jan 27, 2009 #2


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  4. Jan 27, 2009 #3


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