Gravity and Spring + KE problem

  • Thread starter Thread starter Lori
  • Start date Start date
  • Tags Tags
    Gravity Spring
Join the discussion
Ask a follow-up here, or get your own question answered by working scientists, mathematicians and engineers — people, not an autocomplete.
Real named experts · corrections over time · the nuance an AI answer skips
3 replies · 1K views
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
 

Attachments

  • upload_2017-11-8_14-21-47.png
    upload_2017-11-8_14-21-47.png
    24.7 KB · Views: 756
on Phys.org
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
 
  • Like
Likes   Reactions: haruspex