# A spring with a constant of #3 (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 #8 m/s# collides with and compresses the spring until it stops moving. How much will the spring compress?

##### 1 Answer

Aug 25, 2017

#### Explanation:

We need the following formulae

**Elastic potential energy for springs**

where

**Kinetic energy**

we have an object of mass

it will have kinetic energy of

on collision with the spring all this will be given to the spring in terms of EPE