littlebear1029 littlebear1029
  • 24-04-2018
  • Computers and Technology
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1. If a turntable rotates through 720 degrees in one second, how many revolutions does it make in one minute?

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lilaipo
lilaipo lilaipo
  • 07-05-2018
The answer is 120 revolutions.

1 second =  720 degrees 
60 seconds = 60 * 720 = 43200 degrees
43200/360 (per revolution)= 120 revolutions

or

720 degrees/sec x 60s/min x 1 revolution/360 degrees = 120 rev/min.
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