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Author Question: If the velocity of an object is negative, a. its speed is decreasing b. its velocity does not ... (Read 87 times)

oliviahorn72

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on: Jul 28, 2018
If the velocity of an object is negative,
 a. its speed is decreasing
  b. its velocity does not exist
  c. it is reversing direction
  d. it is moving in the direction labeled negative

Question 2

If we know the wavelength of a light beam, how can we calculate the corresponding frequency?
 a. Multiply the wavelength by the speed of light.
  b. Multiply the wavelength by the index of refraction.
  c. Divide the wavelength by the index of refraction.
  d. Divide the wavelength by the speed of light times the index of refraction.
  e. Divide the speed of light by the wavelength.


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jliusyl

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

e


oliviahorn72

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Reply 2 on: Jul 28, 2018
Wow, this really help

xiazhe

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Reply 3 on: Yesterday
Gracias!

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