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| Spark Timers
(2008) |
| Acceleration, Spark Timer with accessories. This apparatus is used for determining the rate of acceleration in a falling weight, calculating the speed of moving cart or studying the forces of friction. A paper strip is pilled through the timer while a spark at a very precise interval is created which burns tiny dots into the paper strip as it passes. The faster the strip passes through the sparks the large distance between dots. It is easy then for the student to calculate the rate of speed for acceleration. As an added benefit, everything on the spark timer is enclosed for safety. 110 volt. |
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