Question 18.61

31. The express elevators to the observation deck of One World Trade Center in New York City travel a height of 1293 feet in 47 seconds, reaching a speed of 2000 ft/min.

  1. How much is 2000 ft/min in miles per hour?
  2. How much is 2000 ft/min in meters per second?

31.

(a) 23 mph

(b) 10 m/s