sarahgreenlee8
sarahgreenlee8 sarahgreenlee8
  • 10-11-2020
  • Physics
contestada

A boy weighing 150 N goes (a) up and (b) down a flight of stairs. The vertical distance between the floor is 5.5 m. How much work is done by gravity

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wvvxir8861 wvvxir8861
  • 10-11-2020
The answer would be A
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