What are some of the sources of uncertainty in this

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What are some of the sources of uncertainty in this lab? (Select all that apply.) Checkpoint 2: Ask your TA to check your Excel worksheet and graph. Your TA will insert a code word associated with your progress. CHECKPOINT: checkpoint Key: Answers may vary. Score: 5 out of 5 Comment: Yes No The total mass used was not the same for all trials. The hanger hit the floor before cart passed photogate 2. The distance between the two photogates was too short to allow for proper acceleration of the cart. The track was not leveled properly.
10/18/2019 Lab 3 - Newton's Second Law: InLab 7/9
10/18/2019 Lab 3 - Newton's Second Law: InLab 3. 20/20 points | Previous Answers A group of students performing the Newton's Second Law experiment generated the graph shown below from their data. Explain whether or not you would trust any conclusions obtained from this data. When formulating your answer, consider whether or not the effects of friction could account for the results these students obtained. What could the students have done wrong? (Hint: See the first few steps of the experimental procedure.) Explain how making this mistake could give the above results.
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10/18/2019 Lab 3 - Newton's Second Law: InLab

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