# A spring with a constant of #2/5 (kg)/s^2# is lying on the ground with one end attached to a wall. An object with a mass of #7/5 kg# and speed of #2 m/s# collides with and compresses the spring until it stops moving. How much will the spring compress?

##### 1 Answer

Mar 31, 2017

#### Answer:

I got

#### Explanation:

At the start there will be the Kinetic Energy

So we have:

or:

the compression