What mass should be attached to a vertical spring (k = 39.5 N/m) ...

[mcmcdaniel]

What mass should be attached to a vertical spring (k = 39.5 N/m) so that the natural vibration frequency of the system will be 1.00 Hz?
 
  A) 2.00 kg
  B) 1.56 kg
  C) 1.00 kg
  D) 6.29 kg
  E) 39.5 kg

Question 2

Moving clocks are observed to run more slowly than clocks that are at rest in the observer's own frame fo reference.
 
  Indicate whether the statement is true or false

[wtf444]

Answer to Question 1

C

Answer to Question 2

TRUE

[mcmcdaniel]

Thank you!

[wtf444]

Always glad to help...