A hotel elevator ascends170m with a maximum speed of54ms, Ask an Expert

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A hotel elevator ascends170m with a maximum speed of5.4m/s. Its acceleration and deceleration both have a magnitude of 1.0 m/s2.

(a) How far does the elevator move while accelerating to full speed from rest?

(b) How long does it take to make the complete trip from bottom to top?

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