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MMLU-Pro / 10231 / Compute the speed of sound in the steel rails of a rail road track. The weight…

Problem

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

question

Compute the speed of sound in the steel rails of a rail road track. The weight density of steel is 490 lb/ft^3, and Young's modulus for steel is 29 x 10^6 lb/in^2.

category

physics

options

  1. 1.9 × 10^4 ft/sec
  2. 1.2 × 10^4 ft/sec
  3. 2 × 10^4 ft/sec
  4. 1.8 × 10^4 ft/sec
  5. 1.3 × 10^4 ft/sec
  6. 1.4 × 10^4 ft/sec
  7. 2.5 × 10^4 ft/sec
  8. 2.2 × 10^4 ft/sec
  9. 1.6 × 10^4 ft/sec
  10. 2.1 × 10^4 ft/sec

src

stemez-Physics

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Source and history

upstream_id / Original problem ID
10231
task_id
b3e0a3d2-4c4a-5fa2-91c2-0c05d0ad0463
task_key
default--test--10231
task_revision_id
1
config / split
default / test

Official source

initial import