Designing a new generation of elevators for a prospective upgrade to the Empire

Question

Designing a new generation of elevators for a prospective upgrade to the Empire State Building. Prepare a report on the benefits of upgrading the elevators.

One of the numbers that they have requested is the time it will take the elevator to go from the ground floor to the 102nd floor observatory. They are unlikely to approve the project unless the new elevators make the trip much faster than the old elevators.

If state law mandates that elevators cannot accelerate at greater than 3.90 m/s2 or travel faster than 15.8 m/s, what is the minimum time in which an elevator can travel the 373 m from the ground floor to the observatory floor?

Explanation / Answer

Tmin = 373/15.8 = 23.6 s

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