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30 March, 04:26

You accidentally drop a book down a stairwell. Assuming no air resistance,

how fast will the book be moving after 0.75 seconds?

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  1. 30 March, 06:12
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    if we drop it and not throw it then

    after 0.75 how fast the book is falling is given by its velocity as

    v = at

    = 9.8 * 0.75

    =7.35 m/s
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