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Help with a simple mechanics question?? Using the SUVAT equations watch

    • Thread Starter

    Hey guys, please help me with this, my answer is ?34 and -?34 can't see why I am wrong, the answer is apparently meant to be 4 and -4 but the answers are sometimes wrong... Anyways the question is...

    A Particle P moves in a straight ling across a horizontal surface with an acceleration of 1.8 meters per second. The particle P passes through a point A with a velocity of 5 meters per second. It then passes through the point B twice, where the distance between A and B is 2.5 meters.

    Thanks for any help guys

    What is the actual question? :holmes:. You seem to have forgotten to tell us.

    ^^ This.

    Also, does it tell you which direction the acceleration is acting?
    • Thread Starter

    that is the question... and I assumed by 1.8 it means in the positive direction as the question says it is a horizontal surface... I have triple checked and I reckon that the answer in the book is wrong, it is made by one of our teachers at college and seen as each of our topics has around 30 questions which he has to write and answer himself, generally he tends to make mistakes occasionally.

    I dont really understand what your trying to find,cant u say that its a negative acceleration??
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Updated: March 20, 2011
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