We did a lab for physics class and the setup is like the image.  the second image is force, acceleration, position-time graphs from a software The cart's mass: 0.774kg the hanging mass: 0.070 kg distance travelled by the hanging mass: 0.7455 m Question: Part 1: Calculate the work done by the hanging mass.  Part 2: Do the answers to part 1 support the work-energy theorem? Offer reasons why there might be a small difference?

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