A 5.0-kg mass sits on the floor of an elevator that has a downward acceleration of 1.0 m/s². On top of the 5.0-kg mass is an object of unknown mass. The force of the elevator on the 5.0-kg mass is 80 N up. Determine the unknown mass. A) 3.3 kg B) 2.4 kg C) 1.6 kg D) 4.1 kg E) 5.0 kg

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The Answer of A 5.0-kg mass sits on the floor of an elevator that has a downward acceleration of 1.0 m/s². On top of the 5.0-kg mass is an object of unknown mass. The force of the elevator on the 5.0-kg mass is 80 N up. Determine the unknown mass. A) 3.3 kg B) 2.4 kg C) 1.6 kg D) 4.1 kg E) 5.0 kg

A 50-Kg Mass Sits on the Floor of an Elevator That