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 athlete's average kinetic energy during 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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