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Author Question: A long-wavelength wave and a short-wavelength wave both move along the same rope. Which wave has the ... (Read 106 times)

karateprodigy

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on: Jul 29, 2018
A long-wavelength wave and a short-wavelength wave both move along the same rope. Which wave has the higher frequency, and which wave carries more energy, assuming their amplitudes are the same?
 
  A) The short-wavelength wave has the higher frequency, but the two waves carry the same amounts of energy.
  B) The long-wavelength wave has the higher frequency and but the short-wavelength wave carries more energy.
  C) The long-wavelength wave has the higher frequency and carries more energy.
  D) The short-wavelength wave has the higher frequency and but the long-wavelength wave carries more energy.
  E) The short-wavelength wave has the higher frequency and carries more energy.
 
  E) no disturbance, because they cancel.

Question 2

What is the speed of a 6-kg ball with a momentum of 72 kgm/s?
 
  A) 3 m/s
  B) 4 m/s
  C) 12 m/s
  D) 48 m/s
  E) none of the above


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cupcake16

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Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

Answer: C


karateprodigy

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Reply 2 on: Jul 29, 2018
Gracias!

robbielu01

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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