8. Which of these is an example of increasing the elastic potential energy of a system?
(Points : 3)
A rubber ball is thrown upward, increasing its height.

You lie down on a bed and compress the mattress springs. * my answer*

A bucket of sand is hoisted upward using a pulley, so it can later pull some other object upward.

Two magnets are pushed together, so they can later spring apart.

Question

8. Which of these is an example of increasing the elastic potential energy of a system?
(Points : 3)
       A rubber ball is thrown upward, increasing its height.

       You lie down on a bed and compress the mattress springs. * my answer*

       A bucket of sand is hoisted upward using a pulley, so it can later pull some other object upward.

       Two magnets are pushed together, so they can later spring apart.

kidrah69 · Answer

Thats right :) u seem to have all of this down :D

anonymous · Answer

yeah lol i just need reassurance because im not that great at physics :(

kidrah69 · Answer

oh hmm :) oke continue on