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physics

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You know your mass is 69 kg , but when you stand on a bathroom scale in an elevator, it says your mass is 78 kg. What is the magnitude of the acceleration of the elevator?

  • physics - ,

    Scale*g=mg+ma solve

    scale= m(1+a/g)

    78=69(1+a/g)

    solve for a.

  • physics - ,

    01111

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