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Looking for an app to demonstrate motion via multiple exposure images

I am introducing uniform and accelerated motion in a 6th grade. To demonstrate the difference I would like to use multiple exposure photography (like in the image below) in the classroom.

There are many apps to make serial shoots and other apps to overlay them artfully. I am looking for an App to do both conveniently (automatically) after entering a time interval and hitting the button.

Does anyone have some experience with this?
 

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To create an effect such as the one in the image you presented, you would need more than just the overall time interval as a parameter -- you'd also need to specify which frames to use, or at least supply a subject-matter-dependent high-precision frame-strobe rate:

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ZapperZ

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Don't the "burst" modes on many smartphone cameras do this? Granted, you can only do this for a short period of time, but for falling objects in a classroom, that should fit the bill.

Zz.
 

robphy

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So, you're looking for something to create a motion diagram.

I've only used Tracker... but the others might be of interest.

 

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