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[[File:Acceleration.jpg]]
 
[[File:Acceleration.jpg]]
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A simpler experiment is to accelerate a ball down a curved ramp, measure the horizontal exit velocity and predict the landing position as shown below.
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A simpler experiment is to accelerate a ball down a curved ramp, measure the horizontal exit velocity with two switches and predict the landing position as shown below.
    
[[File:Falling ball.jpg]]
 
[[File:Falling ball.jpg]]
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