# physics

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?

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1. Scale*g=mg+ma solve

scale= m(1+a/g)

78=69(1+a/g)

solve for a.

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👨‍🏫
bobpursley
2. 01111

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