Monday 21 October 2013


Cars Moving Downhill






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1 comment:

  1. Mp3ers Two22 October 2013 at 01:32

    Does the size and/or weight of a car make a difference to how fast it goes down a hill?
    What about a smaller, lighter car compared to a bigger heavier car? Can you explain?

    Thanks,

    TRM :)

    ReplyDelete

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