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    (Original post by TeeEm)
    Name:  Varaible mass.jpg
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    Here's my answer
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  1. File Type: pdf solution1.pdf (327.4 KB, 47 views)
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    too easy
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    (Original post by TeeEm)
    too easy
    It certainly wasn't simple, I mean I'd never expect to see anything so involved (using integrating factors etc) in an A-Level exam (at least not for AQA) and the context was slightly unusual compared to the norm of a falling hailstone or a water-powered truck, but it was a very good question.
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    (Original post by A Slice of Pi)
    It certainly wasn't simple, I mean I'd never expect to see anything so involved (using integrating factors etc) in an A-Level exam (at least not for AQA) and the context was slightly unusual compared to the norm of a falling hailstone or a water-powered truck, but it was a very good question.
    I am trying to make a question for a marble rotating on the outer surface of an inverted cone
    mwahahaha ...
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    (Original post by TeeEm)
    I am trying to make a question for a marble rotating on the outer surface of an inverted cone
    mwahahaha ...
    Sounds interesting. When will it be complete?
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    (Original post by A Slice of Pi)
    Sounds interesting. When will it be complete?
    no idea
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    My solution

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