hailyS493 hailyS493
  • 25-10-2022
  • Physics
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two crates of mass 80 kg and 110 kg are in contact and at rest on a horizontal surface. a 650n force is exerted on the 80-kg crate. if the coefficient of kinetic friction is 0.20, calculate (a) the acceleration of the system and (b) the force that each crate exerts on the other

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