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MustAsk Posted 13 years ago
Grammar

Free-fall

Hi,

Which of the following is most common?

The ball is falling at a free-fall speed.

The ball is falling at free-fall speed.?

Is there even any difference between the two?

Thanks!
  

Top answer

"Free-fall speed" means nothing to me. Maybe you want "terminal velocity". The ball is falling at terminal velocity.

— Enoon

  • "Free-fall speed" means nothing to me.
  • Maybe you want "terminal velocity".
  • The ball is falling at terminal velocity.
  • "A terminal velocity" does not work.
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3 Answers
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"Free-fall speed" means nothing to me. Maybe you want "terminal velocity". The ball is falling at terminal velocity. "A terminal velocity" does not work.
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That's the correct term in physics, but to an average person it has to be something simpler and easier to understand.
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Everybody has heard of terminal velocity. In fact, there was a movie of that name with Charlie Sheen. "Free-fall speed" will not be understood to mean that.
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