You lift a 1 kg object weight on Earth = 10 N by 1 m. By about ...

[joesmith1212]

You lift a 1 kg object weight on Earth = 10 N by 1 m. By about how much does the object's mass increase?
 
  A) 10-12 kg
  B) 0.01 kg
  C) 10-16 kg
  D) 10-14 kg
  E) Its mass doesn't change at all.

Question 2

You want to store 1,000 J of energy in an ideal spring when it is compressed by only 2.5 cm. What should be the force constant (spring constant) of this spring?
 
  What will be an ideal response?

[iman]

Answer to Question 1

C

Answer to Question 2

3.2  106 m/m

[joesmith1212]

Great answer, keep it coming

[Kedrick2014]

Thanks for the timely response, appreciate it