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A boy stands on a scale in an elevator. As the elevator starts, the scale has a constant reading of 589 Newton. Later, as the elevator later stops, the scale reading is 395 Newton. Suppose the magnitude of the acceleration is the same during starting and stopping.
(a) Compute the weight of the boy.
N
(b) Compute the boy's mass.
kg
(c) Compute the acceleration of the elevator.
m/s2
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