An electric motor makes 1,400 revolutions per minutes. How many degrees does it rotate in one second?
Options: A) 8.400 d/sec B) 28.000 d/sec C) 38.000 d/sec D) 26.000 d/sec E) 35.000 d/sec
1400 revolutions / minute   = 1400*360 degrees / 60 seconds   = 8400 degrees / second   8.400 d/sec
<result>A</result>
An electric motor makes 1,400 revolutions per minutes. How many degrees does it rotate in one second?