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Our latest release
Attractive and repulsive force
A tennis ball is thrown up in the air. A stroboscope illuminates the ball at uniform time intervals when you select "stroboscope". You have a cursor to calculate each position and you just need to rollover the balls to display the photographic shooting time.
Click on {print} to print the current page.
Click on 'cursor' to make some measurements.
Rollover each picture to display its photographic shooting time.
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