A 2-kg mass is hung from a spring (k = 18 N/m), displaced ...

[ssal]

A 2-kg mass is hung from a spring (k = 18 N/m), displaced slightly from its equilibrium position, and released. What is the frequency of its vibration?
 
  A) 1.5/ Hz
  B) 1.5  Hz
  C) 3.0/ Hz
  D) 3.0 Hz
  E) 1.5 Hz

Question 2

If 50 g of material at 100C is mixed with 100 g of water at 0C, the final temperature is 40C. What is the specific heat of the material?
 
  A) 0.33 kcal/kg  C
  B) 0.75 kcal/kg  C
  C) 1.33 kcal/kg  C
  D) 7.5 kcal/kg  C
  E) 33 kcal/kg  C

[nanny]

Answer to Question 1

A

Answer to Question 2

C

[ssal]

Thanks for the timely response, appreciate it

[fatboyy09]

Great answer, keep it coming