Summersnow8
  • Summersnow8
Male mosquitoes in the mood for mating find female mosquitoes of their own species by listening for the characteristic "buzzing" frequency of the female's wing beats. This frequency is about 620 wing beats per second. How many cycles of oscillation does the radiation from a cesium-133 atom complete during one mosquito wing beat? I know cesium-133 atom is 9,192,631,770 cycles/ second
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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whpalmer4
  • whpalmer4
620 wing beats = 1 sec 9,192,631,770 cycles = 1 sec 9,192,631,770 cycles = 620 wing beats divide both by 620 wing beats 9192631770/620 cycles / wing beat
Summersnow8
  • Summersnow8
i tried that but it said it was wrong
whpalmer4
  • whpalmer4
what did you get for the answer?

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More answers

Summersnow8
  • Summersnow8
25535088.25
whpalmer4
  • whpalmer4
well, that IS wrong :-) try doing it again.
whpalmer4
  • whpalmer4
9192631770/620 =
Summersnow8
  • Summersnow8
1414251.042
whpalmer4
  • whpalmer4
no, that's not right either. have you pressed the clear or all clear button on your calculator before starting the problem?
Summersnow8
  • Summersnow8
gahhhh
whpalmer4
  • whpalmer4
correct answer should be 1.48268 * 10^7, or digits to that effect...
Summersnow8
  • Summersnow8
14142510.42
whpalmer4
  • whpalmer4
you aren't entering the same numbers as I am.
Summersnow8
  • Summersnow8
okay what are you entering
whpalmer4
  • whpalmer4
9 1 9 2 6 3 1 7 7 0 / 6 2 0 =
Summersnow8
  • Summersnow8
bahahaha, okay, i was doing 650, damn thing... so do sif figs count? 1.4 x 10 ^7
Summersnow8
  • Summersnow8
sig*
whpalmer4
  • whpalmer4
I can't really advise you on whether or not they want you to round to an appropriate number of significant figures. If doing it on paper, I would write something like "\(1.48268 * 10^7\) cycles which is \(1.5 *10^7\) cycles to 2 significant figures" [note that it is 1.48... so rounds to 1.5, not 1.4]
whpalmer4
  • whpalmer4
because the problem says "about 620 beats per second" perhaps we should go with the two significant figures suggested by "620".
Summersnow8
  • Summersnow8
okay thanks :) lifesaver
whpalmer4
  • whpalmer4
you're welcome!

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