As part of a physics experiment, you stand on a bathroom scale in an elevator. Though your normal weight is 510 N, the scale at the moment reads 640 N. Calculate the magnitude of the elevator's acceleration.
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Expert's answer
2012-09-04T10:22:53-0400
Let the magnitude of the elevator's acceleration is a. P = m * g = 510 N W = m * (g + a) = 640 N m = P / g a = W / m - g = W * g / P - g a = 640 * 9.81 / 510 - 9.81 = 2.50 N/kg
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