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Classical Mechanics PHYS 2006 Tim Freegarde.

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Presentation on theme: "Classical Mechanics PHYS 2006 Tim Freegarde."— Presentation transcript:

1 Classical Mechanics PHYS 2006 Tim Freegarde

2 Rocket acceleration Momentum conserved; air resistance neglected

3 Ariane 6 Momentum conserved; air resistance neglected ARIANE 6.4
Ariane 6 PPH Momentum conserved; air resistance neglected ARIANE 6.4 1st stage booster 2nd stage launch mass: 800 tonnes 150 tonnes 120 tonnes 30 tonnes payload: 10 tonnes H2/O2 solid fuel

4 Falling rope A rope falls under gravity onto a set of scales…
How does the weight indicated vary with time?

5 Falling Slinky A Slinky spring is suspended under gravity…
…and released from rest. What happens next? Veritasium

6 Falling Slinky A Slinky spring is suspended under gravity…
…and released from rest. What happens next? Veritasium Martin Gardner, “A Slinky problem,” Phys. Teach. 38, 78 (2000) W G Unruh, “The falling Slinky,” arXiv.org/abs/ (2011) R C Cross & M S Wheatland, “Modeling a falling Slinky,” Am J Phys 80, 1057 (2012)

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