What is an experiment you could perform to determine the average speed of a toy car rolling down an incline?
Simple physics, Velocity(Speed)=Distance traveled / Time taken
so measure a set distance down your incline and time the toy rolling down if you want a true speed make sure the toy is going at full speed before it crosses the start line and you start your timer, otherwise you will get an average including the toys acceleration time and as such won't be a true representation
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