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MMLU-Pro / 9106 / Traveling at an initial speed of 1.5 × 10^6 m/s, a proton enters a region of…

Problem

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

question

Traveling at an initial speed of 1.5 × 10^6 m/s, a proton enters a region of constant magnetic field of magnitude 1.5 T. If the proton's initial velocity vector makes an angle of 30° with the magnetic field, compute the proton's speed 4 s after entering the magnetic field.

category

physics

options

  1. 7.5 × 10^6 m/s
  2. 1.0 × 10^6 m/s
  3. 4.5 × 10^6 m/s
  4. 2.5 × 10^6 m/s
  5. 1.5 × 10^6 m/s
  6. 8.0 × 10^6 m/s
  7. 6.0 × 10^6 m/s
  8. 2.0 × 10^6 m/s
  9. 5.0 × 10^6 m/s
  10. 3.0 × 10^6 m/s

src

ori_mmlu-high_school_physics

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Source and history

upstream_id / Original problem ID
9106
task_id
22293c66-b142-5b6e-8189-ebb1ad8a70de
task_key
default--test--9106
task_revision_id
1
config / split
default / test

Official source

initial import