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when I did the expirment we used an over lay and it pass throght.

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Force and Motion Expirment

When I did the expirment I did the tile first. I think the car went faster becuase the tile is smooth and slipery when I did it went  605 centimeters.When I did the expirment on the carpet.I think the car went slower because the carpet is rough and it cuses friction it went 235.

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On the Tile

on the carpet