William Haynes

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    William Haynes on Equilibrium of a particle: four forces 2 years, 8 months ago

    Gave some feedback: Has some problems

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    William Haynes on Equilibrium of a particle: four forces 2 years, 8 months ago

    Saved a checkpoint:

    Problem is throwing "undefined is not an object (evaluating 'original_result.states.mark')" when answer is submitted.  Resubmitting it works.  

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    William Haynes on Equilibrium of a particle: four forces 2 years, 8 months ago

    Saved a checkpoint:

    No bug, student misinterpreted the question leading to his problem

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    William Haynes on Equilibrium of a particle: four forces 2 years, 8 months ago

    Saved a checkpoint:

    Bug in marking algorithm reported

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    William Haynes published Friction: Range of values 1 2 years, 9 months ago

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    William Haynes published Friction: Range of values 2 2 years, 9 months ago

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    William Haynes on Friction: Range of values 2 2 years, 9 months ago

    Gave some feedback: Ready to use

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    William Haynes on Friction: Range of values 1 2 years, 9 months ago

    Gave some feedback: Ready to use

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    William Haynes published Friction: Determine direction of $F_f$ 2 years, 9 months ago

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    William Haynes on Friction: Determine direction of $F_f$ 2 years, 9 months ago

    Gave some feedback: Ready to use

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