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Show all work and diagrams necessary. Please make sure you show how you derive any equations...

Show all work and diagrams necessary. Please make sure you show how you derive any equations you used!!!

An initially resting 422 g car is dragged along a horizontal frictionless table by a massless cord. The cord is attached to a vertically hanging unknown mass by a frictionless massless pulley. Given that the car starts from rest, and moves 41 cm in 3.0 s, determine the unknown mass. Please give your solution in grams.


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