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Author Question: Three solid, uniform, cylindrical flywheels, each of mass 65.0 kg and radius 1.47 m, rotate ... (Read 100 times)

crobinson2013

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on: Jul 29, 2018
Three solid, uniform, cylindrical flywheels, each of mass 65.0 kg and radius 1.47 m, rotate independently around a common axis through their centers.
 
  Two of the flywheels rotate in one direction at 8.94 rad/s, but the other one rotates in the opposite direction at 3.42 rad/s. Calculate the magnitude of the net angular momentum of the system.
  A) 1020 kg  m2/s
  B) 1500 kg  m2/s
  C) 975 kg  m2/s
  D) 940 kg  m2/s

Question 2

A force of stretches a very light ideal spring from equilibrium. What is the force constant (spring constant) of the spring?
 
  A) 41 N/m
  B) 22 N/m
  C) 34 N/m
  D) 46 N/m


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Carliemb17

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

A

Answer to Question 2

A


crobinson2013

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Reply #2 on: Jul 29, 2018
Thank you!


Carliemb17

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Reply #3 on: Jul 29, 2018
Always glad to help...


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