Biology, 14.02.2020 19:09 genyjoannerubiera

Bill sets up an experiment to determine and predict the velocity of a marble at the end of a track. He uses an electronic balance to weigh the marble. He then places the marble at the top of the track and releases it. Artie uses the time it takes the marble to pass through a photogate at the bottom of the track to calculate the velocity of the marble.
Bill notes that his prediction is significantly higher than his calculated velocity. Which error explains this difference?

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Bill sets up an experiment to determine and predict the velocity of a marble at the end of a track....