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The following problem is an example of one of the problem types randomly selected at Kinetic Energy

What is the speed of a 53.6 kg woman running with a kinetic energy of 1617 J?

Suggestions / Method Hints:

  • this is a straightforward application of the equation KE = 1/2 * m*v2
  • to solve for v, multiply both sides by 2, divide both sides by m, then take the square root of both sides

Answer: 7.77 m/s

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