Tuesday, 30 June
9:14pm, 30 Jun 2009
1 note, comments (view)
 
If the smaller of these two gears completes a full turn every six seconds, how long will it take for the two white arrows to line up again?

If the smaller of these two gears completes a full turn every six seconds, how long will it take for the two white arrows to line up again?

  1. aaronwhite answered: 42 seconds
  2. thakker posted this

Anand Thakker

I'm a high school teacher, who used to be a software developer. This is one of the places I come to think.
Email: thakker (gmail)
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I teach at The Park School of Baltimore.

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