berdhessabony43191 berdhessabony43191
  • 12-04-2024
  • Physics
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A 3.0-kg mass is dropped frm the edge of a 50-m tall building with an initial speed of zero. The mass strikes the ground with a downward velocity of 25 m/s.
Find the change in mechanical energy of the mass caused by air resistance between the point where it is dropped and the point where it strikes the ground?

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