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Author Question: A massless rod of length 1.00 m has a 2.00-kg mass attached to one end and a 3.00-kg mass attached ... (Read 225 times)

mckennatimberlake

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on: Jul 29, 2018
A massless rod of length 1.00 m has a 2.00-kg mass attached to one end and a 3.00-kg mass attached to the other.
 
  The system rotates about a fixed axis perpendicular to the rod that passes through the rod 30.0 cm from the end with the 3.00-kg mass attached. The kinetic energy of the system is 100 J.
  (a) What is the moment of inertia of this system about this axis?
  (b) What is the angular speed of this system?

Question 2

The index of refraction for a given material is directly proportional to the frequency of light.
 
  Indicate whether the statement is true or false


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wuly

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

(a) 1.25 kgm2
(b) 2.01 rev/s

Answer to Question 2

TRUE


mckennatimberlake

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

helenmarkerine

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Reply 3 on: Yesterday
Wow, this really help

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