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Author Question: When Jean hikes a distance of 1 km in a time of one-half hour her average speed is A) nearly 1 ... (Read 23 times)

Kikoku

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on: Jul 29, 2018
When Jean hikes a distance of 1 km in a time of one-half hour her average speed is
 
  A) nearly 1 km/h.
  B) 1 km/h.
  C) slightly more than 1 km/h.
  D) 2 km/h.

Question 2

In a single slit diffraction experiment, the width of the slit is 3.1  10-5 m and the distance from the slit to the screen is 2.2 m.
 
  If the beam of light of wavelength 600 nm passes through the slit and forms a diffraction pattern on the screen, what is the linear distance on the screen from the center of the diffraction pattern to the first dark fringe? A) 2.1 cm
  B) 4.3 cm
  C) 6.3 cm
  D) 7.4 cm
  E) 8.5 cm


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Ksanderson1296

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

Answer: D

Answer to Question 2

B


Kikoku

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Reply 2 on: Jul 29, 2018
Gracias!

cdmart10

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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