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Author Question: A series of ocean waves are moving past a surfer at a frequency of 40 waves per hour. Approximately ... (Read 63 times)

leilurhhh

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on: Jul 28, 2018
A series of ocean waves are moving past a surfer at a frequency of 40 waves per hour. Approximately how many waves would the surfer expect during 48 minutes?
 a. 1920 waves
  b. 32 waves
  c. 40 waves
  d. 50 waves

Question 2

A diatomic molecule consists of two point masses, m1 and m2, separated by a distance r. If x is the distance from m1 to the center of mass, find the moment of inertia in terms of x about an axis perpendicular to the molecular axis through the center of mass.
 a. 0
  b. m1m2 r2/m1 + m2
  c. m1(r  x)2 + m2x2
  d. m1x2 + m2(r  x)2
  e. m2x2 + m1r2


lkoler

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

b

Answer to Question 2

d


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leilurhhh

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Reply #2 on: Jul 28, 2018
Thank you!


lkoler

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Reply #3 on: Jul 28, 2018
Always glad to help...


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