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MMLU-Pro / 9340 / An elevator is descending with an acceleration of 5 ft…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

An elevator is descending with an acceleration of 5 ft\bullets^-2. The shade on the ceiling light falls to the floor of the elevator, 9 ft below. At the instant that it falls, one of the passengers sees it, and realizes that the shade will hit his foot. How long does he have to get his foot out of the way?

category

physics

options

  1. 0.5 s
  2. 0.3 s
  3. 0.7 s
  4. 1 s
  5. 0.6 s
  6. 2 s
  7. 1.2 s
  8. 1.5 s
  9. 0.82 s
  10. 1.8 s

src

stemez-Physics

Discussion

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Source and history

upstream_id / Original problem ID
9340
task_id
9cffc2ca-1b3e-5046-a006-fb2503406546
task_key
default--test--9340
task_revision_id
1
config / split
default / test

Official source

initial import