maryam1110
maryam1110 maryam1110
  • 01-04-2017
  • Mathematics
contestada

if the wheel of the engine of a train is 30/7m in circumference and makes 7 revolutions in 4 secs then the speed of the train is?

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jacharris623
jacharris623 jacharris623
  • 06-04-2017
i dont know ans dont care but  iill try its 2 and lima bean
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