Recent content by blah:p

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    Practical Applications of Converging Lenses: Object Positions and Uses

    So based on that. I've concluded a) telescope b) no image-can't think how this would apply to practical application in real life. c) microscope d) again, can't seem to think how this would apply in real life e) camera
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    Practical Applications of Converging Lenses: Object Positions and Uses

    anyone who can help?
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    Practical Applications of Converging Lenses: Object Positions and Uses

    Homework Statement For each of the following object positions in front of a converging lens, suggest at least one practical application. (E.g. overhead projector, camera etc.) a) Between the lens and F' b) At F' c) Between F' and 2F' d) At 2F' e) Beyond 2F' The Attempt at a...
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    How Do You Calculate the Retarding Force in a Pulley System?

    how do u calculate the retarding force of a pulley system. I have made the force/acceleration graph required, and now it is telling me to use it to calculate the retarding force as best as I can.:rolleyes: