alex11151 alex11151
  • 09-09-2017
  • Physics
contestada

The elevators in the John Hancock building in Chicago move 522 ft in 44 s. What is their speed? Answer in m/s.

Respuesta :

barnuts
barnuts barnuts
  • 19-09-2017

The speed is simply the ratio of distance and time. That is:

speed = distance / time

speed = 522 ft / 44 s

speed = 11.86 ft/s

 

Convert to m/s:

speed = 11.86 ft/s * (1 m/3.28 ft)

speed = 3.62 m/s

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