aubreystanley33 aubreystanley33
  • 26-03-2021
  • Chemistry
contestada

2)When the rock falls, it has a potential energy of 45J and a kinetic energy of 18J.
What is its mechanical energy?




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morganfr33mann
morganfr33mann morganfr33mann
  • 26-03-2021

Answer: 63J

Explanation:

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