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A flight attendant pushes a cart down the aisle of a plane in flight. In determining the acceleration of the cart relative to the plane, which factor do you not need to consider?
  1. The friction of the cart’s wheels.
  2. The force with which the flight attendant’s feet push on the floor.
  3. The velocity of the plane.
  4. The mass of the items in the cart.
Question by OpenStax is licensed under CC BY 4.0.
Final Answer
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OpenStax College Physics Solution, Chapter 4, Problem 12 (Test Prep for AP® Courses) (0:57)

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