Time taken for a mass on the end of a spring to hit a wall

[James Ray]

Homework Statement

Homework Equations

The Attempt at a Solution

[/B]

 

[nrqed]

Homework Statement

View attachment 100914

Homework Equations

The Attempt at a Solution

View attachment 100916 [/B]

The attachment does not show work related to the question you posted, I guess you uploaded the wrong picture.

 

[James Ray]

The attachment does not show work related to the question you posted, I guess you uploaded the wrong picture.

Thanks, I've changed the post.

 

[haruspex]

Thanks, I've changed the post.

I don't understand your calculation of the spring constant. 1.12² (2.4) must be > 2.