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23 June, 00:40

A goldfish is swimming at 3.20 cm/stoward the front wall of a rectangular aquarium. What is theapparent speed of the fish as measured by an observer looking infrom outside the front wall of the tank? The index of refraction ofwater is 1.333

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  1. 23 June, 03:34
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    0.024m/s

    Explanation:

    Firstly, we have to convert the 3.20cm/s to m/s which is done by dividing the 3.20 by 100. the answer gives 0.032m/s. Then using the formular v=c/n where v is the apparent speed, c = speed of object and n is the refractive index of medium. we can now solve using the above formular which is 0.032m/s/1.333 = 0.024m/s
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