science
Grade-11
Easy

Question

A moving company worker places a 252-kg trunk on a piece of carpeting and slides it across the floor at a constant velocity by exerting a horizontal force of 425 N on the trunk. What is the coefficient of kinetic friction?

  1. 7.2
  2. 0
  3. 5.3
  4. 0.17

The correct answer is: 0.17

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