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==Acceleration on an inclined plane==
 
==Acceleration on an inclined plane==
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[[File:Ballonplane.jpg]]
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The XO laptop can be used to do experiments on motion, rolling a ball down a ramp. The XO1.5 is faster and better suited for this. Inexpensive sensor switches can be made of aluminium foil. The switches are 5cm wide to provide an 'on' time which is long enough to measure.
 
The XO laptop can be used to do experiments on motion, rolling a ball down a ramp. The XO1.5 is faster and better suited for this. Inexpensive sensor switches can be made of aluminium foil. The switches are 5cm wide to provide an 'on' time which is long enough to measure.
  
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