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A 5.0-kg mass sits on the floor of an elevator that has a downward acceleration of 1.0 m/s2. On top ...

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ericka1:
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.
◦ 3.3 kg
◦ 2.4 kg
◦ 1.6 kg
◦ 4.1 kg
◦ 5.0 kg

ErinKing:
4.1 kg

kingpin22:
Thank you

Cassini Come:
Thank you

Lucas Lakwoski:
Thank you

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