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November 2nd, 2011, 02:29 PM   #1
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calculate falling speed

I got this small magnet which is:
8,57mm in the height
5,09mm in the width

I have taken this photo with a shutter time of 1/4000 where 1 is 1second.

I wonder if someone could calculate the falling speed for me based on one of those photos (if that is possible):

If you wonder why the magnet is shorter then the one on the first picture, a camera reads the 'image' as an array, a list of pixels from bottom to top.
So when it falls it reads a line, then when it is at the next line the object is already further.
clankill3r is offline  
November 3rd, 2011, 01:46 AM   #2
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Do you know how long it takes the camera to "read" the image of the magnet?
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