A student stands on a bathroom scale in an elevator at rest on the 64th floor of a building. The scale reads 844 N. As the

Question

A student stands on a bathroom scale in an elevator at rest on the 64th floor of a building. The scale reads 844 N. As the elevator moves up, the scale reading increases to 948 N, then decreases back to 844 N. The acceleration of gravity is 9.8 m/s². Find the acceleration of the elevator. Answer in units of m/s².

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