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Author Question: A uniform meter stick with a mass of 135 g rotates about an axis perpendicular to the stick passing ... (Read 99 times)

luminitza

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on: Jul 29, 2018
A uniform meter stick with a mass of 135 g rotates about an axis perpendicular to the stick passing through the center of the stick with an angular speed of 3.50 rad/s2. What is the magnitude of the angular momentum of the stick?
 
  A) 0.0394 kgm2/s
  B) 0.473 kgm2/s
  C) 0.0739 kgm2/s
  D) 0.158 kgm2/s
  E) 0.0236 kgm2/s

Question 2

A refracting telescope has an eyepiece of focal length -80. mm and an objective of focal length 36. cm. What is the magnification?
 
  What will be an ideal response?


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fdliggud

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

A

Answer to Question 2

4.5


luminitza

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Reply 2 on: Jul 29, 2018
Wow, this really help

momolu

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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