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Geometry Level 2

An electric motor makes 3,000 revolutions per minutes. How many degrees does it rotate in one second?


The answer is 18000.

Kowshik Dey by kowshik dey , 20, Bangladesh

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4 solutions

Nikko Quirap
Apr 12, 2014

1 min=60 sec

3000/1min ---> 3000/ 60`sec

50 revolutions per second

1 revolution is equal to 360 degrees

50*360= 18 000 degrees per second

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Wilbert Tumaneng
Mar 27, 2014

=(3000 REV/MIN) (1 MIN/ 60 SEC) (360 DEG/REV) =18000 DEG/SEC

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Shreyas Shastry
Mar 19, 2014

3000/60=50

angle =360x50=18,000

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Kowshik Dey
Mar 14, 2014

3000 revolutions / minute = 3000*360 degrees / 60 seconds = 18,000 degrees / second

0 Helpful 0 Interesting 0 Brilliant 0 Confused

But angle 360 is angle of 0. Then answer must be 0. That means motor after 1 second reach at its initial stage

Santosh Sarang - 7 years, 1 month ago

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