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MMLU-Pro / 7772 / A ball is thrown at an angle of 45^(∘) to the ground. If the ball lands…

Problem

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

question

A ball is thrown at an angle of 45∘45^{\circ} to the ground. If the ball lands $90 \mathrm{~m}$ away, what was the initial speed of the ball?
Plain-text mathematical notation (without MathML)
A ball is thrown at an angle of 45^(∘) to the ground. If the ball lands $90 \mathrm{~m}$ away, what was the initial speed of the ball?
Original LaTeX notation
A ball is thrown at an angle of $45^{\circ}$ to the ground. If the ball lands $90 \mathrm{~m}$ away, what was the initial speed of the ball?

category

math

options

  1. 50 $\mathrm{m}/\mathrm{s}$
  2. 45 $\mathrm{m}/\mathrm{s}$
  3. 25 $\mathrm{m}/\mathrm{s}$
  4. 20 $\mathrm{m}/\mathrm{s}$
  5. 35 $\mathrm{m}/\mathrm{s}$
  6. 55 $\mathrm{m}/\mathrm{s}$
  7. 40 $\mathrm{m}/\mathrm{s}$
  8. 15 $\mathrm{m}/\mathrm{s}$
  9. 28 $\mathrm{m}/\mathrm{s}$
  10. 30 $\mathrm{m}/\mathrm{s}$

src

scibench-calculus

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Source and history

upstream_id / Original problem ID
7772
task_id
26f51a3b-7417-506e-93fa-055932d57d40
task_key
default--test--7772
task_revision_id
1
config / split
default / test

Official source

initial import