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Author Question: You are standing in a moving bus, facing forward, when you suddenly slide forward as the bus comes ... (Read 104 times)

bio_gurl

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on: Jul 29, 2018
You are standing in a moving bus, facing forward, when you suddenly slide forward as the bus comes to an immediate stop. What force caused you to slide forward?
 
  A) gravity
  B) the normal force due to your contact with the floor of the bus
  C) the force due to friction between you and the floor of the bus
  D) There is not a force causing you to slide forward.

Question 2

Treat each of your eyes as a circular aperture of diameter 3.5 mm. Light of wavelength 500 nm is used to view two point sources that are 283 m distant from you.
 
  How far apart must these two point sources be if they are to be just resolved by your eye? Assume that the resolution is diffraction limited and use Rayleigh's criterion.


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reelove4eva

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

D

Answer to Question 2

4.9  10-2 m


bio_gurl

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Reply #2 on: Jul 29, 2018
TY


reelove4eva

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Reply #3 on: Jul 29, 2018
You're welcome


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