Three solid, uniform, cylindrical flywheels, each of mass 65.0 kg ...

[crobinson2013]

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

[Carliemb17]

Answer to Question 1

A

Answer to Question 2

A

[crobinson2013]

Thank you!

[Carliemb17]

Always glad to help...