Gravity and Spring + KE problem

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Lori

Homework Statement


upload_2017-11-8_14-21-47.png


Homework Equations


shown above

KE = .5mv^2
KE = Total Work
Total work = Work by block - work by spring

The Attempt at a Solution


Shown above.

Did i do the problem correctly? I'm always unsure if I am doing the problem right
 

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Lori said:

Homework Statement


View attachment 214620

Homework Equations


shown above

KE = .5mv^2
KE = Total Work
Total work = Work by block - work by spring

The Attempt at a Solution


Shown above.

Did i do the problem correctly? I'm always unsure if I am doing the problem right
Yes this is right but you made this free body diagram comparing force with work done
 
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Abhishek kumar said:
Yes this is right but you made this free body diagram comparing force with work done
Good point.
 

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