anonymous
  • anonymous
What is the speed of a 10.0 Hz wave with a wavelength of 2.5 m? A. 0.25 m/s B. 4.0 m/s C. 25 m/s D. 35 m/s **THanks! :D
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Michele_Laino
  • Michele_Laino
sorry for prvious exercise, the right formula is: \[\Large fT = 1\]
Michele_Laino
  • Michele_Laino
please wait I'm checking your previous exercise
anonymous
  • anonymous
ok!:)

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Michele_Laino
  • Michele_Laino
ok! After my correction, we have: \[\Large \lambda f = v\]
anonymous
  • anonymous
okay! :D
anonymous
  • anonymous
how do we plug in?
Michele_Laino
  • Michele_Laino
we can write this: \[\Large v = 2.5 \times 10 = ...\]
Michele_Laino
  • Michele_Laino
wehave to replace \lambda with 2.5 meters and f with 10 Hz
anonymous
  • anonymous
okay! so we get 25? so our answer is choice C?
Michele_Laino
  • Michele_Laino
yes! correct!
anonymous
  • anonymous
yay!! thank you:)
Michele_Laino
  • Michele_Laino
thank you!! :)

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