What is the total mass as calculated from the slope

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What is the total mass as calculated from the slope? What is the physical significance of the y ­intercept? What is the total mass M of your system as determined from the mass of the cart, weight hanger and added masses? What is the percent difference between the value of M obtained from the slope of the graph and M measured ?
10/3/2016 Lab 3 ­ Newton's Second Law: InLab What are some of the sources of uncertainty in this lab? (Select all that apply.) Yes No The total mass used was not the same for all trials. The track was not leveled properly. The distance between the two photogates was too short to allow for proper acceleration of the cart.
­Responses/last?dep=14350759#Q4 5/7 Additional Materials Newton's Second Law Appendix Checkpoint 2: Ask your TA to check your Excel worksheet and graph. Your TA will insert a code word associated with your progress. CHECKPOINT: newton Score: 5 out of 5 Comment: Graded: 5 points by Chen, Shih­Yuan on Friday, September 23 2016 09:34 PM EDT.

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