Velocity and acceleration of a turtle

AI Thread Summary
A turtle moves with constant acceleration, taking 10 seconds to travel 10 meters from a fence post to a pine tree, reaching a speed of 1.2 m/s at the tree. To determine the distance from the fence post when starting from rest, the initial velocity at the fence post is calculated using the formula u = 2a/s - v. The acceleration remains constant throughout the movement. By using the known distance and time, the total distance traveled can be calculated and then subtracted from 10 meters to find the initial distance from the fence post. The conclusion indicates the turtle was 8 meters away from the fence post when it started.
tiffanyg
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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??
 
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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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