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Author Question: Two coherent sound waves will constructively interfere when the path difference is the wavelength ... (Read 65 times)

Engineer

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on: Jul 27, 2018
Two coherent sound waves will constructively interfere when the path difference is the wavelength times what?
 
  A) half an integer
  B) an integer
  C) half an odd integer
  D) an even integer plus 1/2

Question 2

Jenny drives at a constant speed of 15 m/s around a circular drive of diameter 60 meters.
 
  (a) Determine her acceleration in m/s2.
  (b) Is her acceleration tangential, centripetal, or centrifugal?
  (c) Is her velocity tangential, centripetal, or centrifugal?


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mathjasmine

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

(a) 7.5 m/s2
(b) centripetal
(c) tangential


Engineer

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Reply 2 on: Jul 27, 2018
Gracias!

jomama

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Reply 3 on: Yesterday
Wow, this really help

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