Physics 9702 · AS & A Level · Gravitational potential energy and kinetic energy

Gravitational potential energy and kinetic energy — practice question

What would be a sensible estimate for the average kinetic energy of an athlete while running a $100\,\text{m}$ race lasting $10\,\text{s}$?

  • A$40\,\text{J}$
  • B$400\,\text{J}$
  • C$4000\,\text{J}$
  • D$40\,000\,\text{J}$

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