# A spring with a constant of #8# #kgs^-2# is lying on the ground with one end attached to a wall. An object with a mass of #7# #kg# and speed of #6# #ms^-1# collides with and compresses the spring until it stops moving. How much will the spring compress?

##### 1 Answer

Aug 25, 2016

The initial kinetic energy is

This will be converted to spring potential energy, which will have the same value,

Rearranging to make the compression distance,