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TED-Ed The math behind Michael Jordan’s legendary hang time


Intermédiaire

1)  Which phrasal verb commonly means "to land" and often refers to aircraft?

  • "to touch down"
  • "to touch base"
  • "to touch off"
  • "to touch upon"

2)  Fill in the blank in this famous saying: "What goes up _____ eventually come down."

  • must
  • might
  • could
  • won't

3)  For humans on earth, jumping on a flat surface, what is the approximate limit for "hang time"?

  • about half a second
  • about one second
  • about one point three seconds
  • almost an hour

4)  Michael Jordan is basketball royalty. How is he referred to in this video?

  • "his airness"
  • "his jumpness"
  • "his spaceness"
  • "his highness"

5)  What is the "hang time" when a basketball player jumps?

  • The maximum height calculated at the peak of the jump.
  • The initial vertical velocity.
  • The distance travelled while clear of the ground.
  • The time between leaving the ground and landing.

6)  Where is gravity strongest?

  • It's strongest on Jupiter.
  • It's strongest on the Moon.
  • It's strongest on Earth.
  • It's strongest on Venus.