Velocity and acceleration of a turtle

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SUMMARY

The discussion centers on calculating the distance a turtle travels from a fence post to a pine tree under constant acceleration. The turtle takes 10 seconds to cover 10 meters, reaching a speed of 1.2 m/s at the pine tree. To find the initial distance from the fence post, the formula involving initial velocity (u), acceleration (a), and final velocity (v) is applied. The conclusion is that the turtle started 8 meters from the fence post.

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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 the 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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