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Velocity and acceleration of a turtle

  1. Nov 16, 2009 #1
    a turtle is moving with a constant acceleration along a straight ditch. He starts a stopwatch as the turtle passes a fence post and notes that it takes him 10s to reach a pine tree 10m farther along a ditch. as the turtle passes the pine tree, his speed is 1.2m/s.

    how far was he from the fence post when he started from rest??
     
  2. jcsd
  3. Nov 16, 2009 #2
    8m i think

    first find the velocity at teh fecne post (u = 2a/s - v) then find the acceleration, which is constant for the entire trip, then it's a matter of using the info to find the total distance traveled and minus that from 10.
     
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