Friday, May 27, 2011

Stopping Distance Demonstration

Yesterday we went to the stopping distance demonstration. There was three card board cutouts . The diver who was in the car went at three different speeds, 20km, 50km and 60km. Mr H and Mr Dobbie went in the car. When they went at 20km the diver went 1m after he had stopped the car. I learned that you can't estimate how far the car will go once the diver has put the brake on.
We had a competition between girls and boys, we had a draw. Did you know that if a car brakes while it is going 100km it goes around 120m after you have brake? It was very scary when the driver ran over one of the cardboard cutouts . I learned lots of cool things and I had lots of fun.
By Lucy

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