Recent content by Lara_C

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    What is the Speed of the Image in Optics?

    Thank you for your help!
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    What is the Speed of the Image in Optics?

    Homework Statement An object is placed 20cm from a converging lens of focal length 5cm. If the object moves towards the lens at a speed of 12cm/s, at what speed does the image move away from the lens? Homework Equations 1/f=1/di+1/do v=d/t The Attempt at a Solution Let's say the...