# A spring with a constant of #5 (kg)/s^2# is lying on the ground with one end attached to a wall. An object with a mass of #6 kg# and speed of #12 m/s# collides with and compresses the spring until it stops moving. How much will the spring compress?

##### 1 Answer

Apr 22, 2016

#### Answer:

12m

#### Explanation:

We can use conservation of energy.

Initially;

Kinetic energy of the mass :

Finally:

Kinetic energy of the mass : 0

Potential energy :

equating, we get :

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