# A spring with a constant of #4# #kgs^-2# is lying on the ground with one end attached to a wall. An object with a mass of #1# # kg# and speed of #3# # ms^-2# collides with and compresses the spring until it stops moving. How much will the spring compress?

##### 1 Answer

Feb 14, 2016

#### Answer:

The kinetic energy,

#### Explanation:

The kinetic energy of the moving mass is:

As it collides with the spring, this kinetic energy will be converted into spring potential energy:

Rearranging: