-- card: 38413 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 2707
-- name: #248
----- HyperTalk script -----
on openCard
  global group,rightone
  put 21 into group
  put "B" into rightone
  pass openCard
end openCard



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Question #248

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N5D11  What does 60 hertz (Hz) mean?

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6000 cycles per second

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60 cycles per second

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6000 meters per second

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60 meters per second

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Correct answer is B