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John wanted to test which will make his skateboard go the fastest down the hill he tested metal wheels wolden wheels and plastic Wheels He travel 50 meters down the hill and calculated the speed what is the IV and DV of this question

Respuesta :

AL2006
The independent variable is the substance his skateboard wheels are
made of.  That doesn't depend on anything else in the experiment.  The
only thing that can change it is John.

The dependent variable is the speed he has when he gets to the bottom
of the hill.  That depends on what the wheels are made of.

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