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MMLU-Pro / 8220 / If a ball is thrown into the air with a velocity of …

Problem

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

question

If a ball is thrown into the air with a velocity of 40ft/s40 \mathrm{ft} / \mathrm{s}, its height in feet tt seconds later is given by y=40t−16t2y=40 t-16 t^2. Find the average velocity for the time period beginning when t=2t=2 and lasting 0.5 second.
Plain-text mathematical notation (without MathML)
 If a ball is thrown into the air with a velocity of 40ft/s, its height in feet t seconds later is given by y=40t−16t². Find the average velocity for the time period beginning when t=2 and lasting 0.5 second.
Original LaTeX notation
 If a ball is thrown into the air with a velocity of $40 \mathrm{ft} / \mathrm{s}$, its height in feet $t$ seconds later is given by $y=40 t-16 t^2$. Find the average velocity for the time period beginning when $t=2$ and lasting 0.5 second.

category

math

options

  1. -30 ft/s
  2. -32$\mathrm{ft} / \mathrm{s}$
  3. -20 ft/s
  4. -26 ft/s
  5. -40$\mathrm{ft} / \mathrm{s}$
  6. -34 ft/s
  7. -28$\mathrm{ft} / \mathrm{s}$
  8. -36$\mathrm{ft} / \mathrm{s}$
  9. -44 ft/s
  10. -24 ft/s

src

scibench-calculus

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Source and history

upstream_id / Original problem ID
8220
task_id
5f5491fd-0177-5362-85fe-ef3f30b1d563
task_key
default--test--8220
task_revision_id
1
config / split
default / test

Official source

initial import