Recent content by hal bitton

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    B Thrust vs Gravity: What's Missing?

    This is a conceptual problem. Consider two identical rocket ships in a gravitational field with no atmosphere. Ship A is hovering at a fixed altitude, ship B is ascending at a constant vertical velocity. Since neither ship is accelerating vertically, the thrust required of both should be the...
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    Calculators HP 50g Calculator [2 Quick Questions]

    Hello, The beauty of the stack operating system used by the 50G (in RPN mode) is that you can very quickly plot a function (or list of functions) directly from the stack, entirely avoiding the tedium of having to use the "Y=" window. Here's how... With your function (or list of functions) on...
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