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November 2011

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Physlet Physics Problem 7.5

A 10-kg mass is attached via a massless string over a massless pulley to a hand (position is given in meters and time is given in seconds). The masses in each animation are identical. Restart.

Work and Energy
  1. Rank the animations according to the change in gravitational potential energy of the mass, from greatest to least.
  2. Rank the animations according to the work done on the mass by the tension in the string, from greatest to least.
  3. Rank the animations according to the change in kinetic energy of the mass, from greatest to least.
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