Falling Hoops: The Physics of Dude Perfect1 / 12

Part One · The drop

A video released in May 2023 showed a basketball dropped about 856 feet into a hoop 18 inches across. The rim was about 1/570 of the height of the drop, a very small target. By this book's arithmetic, a ball with no air in its way would fall that far in about 7.3 seconds. It would reach about 71.5 meters per second, near 160 miles per hour. Dude Perfect, five friends who met as roommates at Texas A&M University, built a channel on shots like this one. The questions here are simple: how is such a shot planned, what does physics allow, and how should a record claim be counted?

About Falling Hoops: The Physics of Dude Perfect

A free Grade 8 story from the Peabody library, Level 13. It has 12 short pages and about 1401 words, so it reads in a few minutes.

Words this story teaches

At reading level 13, Peabody's practice works on vocabulary, spelling; the level page says what is in each.

The same topic for other ages

This is the advanced book of three about dude perfect and trick shots, written for about ages 13 to 16 from the same checked facts.

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More stories at Level 13

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For teachers: read it to the class, questions and key
Questions and answer key (6)
  1. What happens when drag equals a falling object's weight?
    • A. It falls at a constant speed
    • B. It stops in the air
    • C. It speeds up faster
    Show answerA. It falls at a constant speed
  2. Why does a steep drop leave more room around the rim?
    • A. The hoop is wider up high
    • B. The ball is lighter
    • C. The ball meets more open ring
    Show answerC. The ball meets more open ring
  3. In "Every record claim has an expiry date," what does expiry date suggest?
    • A. A claim must be shouted
    • B. A claim may stop being true
    • C. A claim is secret
    Show answerB. A claim may stop being true
  4. What did the 2016 Guinness adjudicator do at the university in Fort Worth?
    • A. Taught the group to shoot
    • B. Watched basketball attempts
    • C. Built a hoop
    Show answerB. Watched basketball attempts
  5. Why does the book say a quick calculation gives only a lower bound on the fall time?
    • A. The ball gets heavier
    • B. Gravity turns off
    • C. Air slows the real fall
    Show answerC. Air slows the real fall
  6. What did Guinness report in May 2018 about the group's titles?
    • A. It held 25, in football and basketball
    • B. It held none
    • C. It held exactly 14 in all
    Show answerA. It held 25, in football and basketball

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