A crate attached to a spring is being pulled across a flat frictionless surface. The spring is stretched 0.82 m, the crate is accelerating at and the mass of the crate is 40 kg. What is the spring constant?

45 N/m
22 N/m
183 N/m
31 N/m

Question

A crate attached to a spring is being pulled across a flat frictionless surface. The spring is stretched 0.82 m, the crate is accelerating at  and the mass of the crate is 40 kg. What is the spring constant? 
  
 45 N/m 
 22 N/m 
 183 N/m 
 31 N/m

akohl · Answer

The crate is accelerating at .93 also

anonymous · Answer

oh, that helps.

akohl · Answer

Thanks for ur help

akohl · Answer

How do you solve?

anonymous · Answer

Are you sure that's everything that is given?

akohl · Answer

Yea thats it

akohl · Answer

R u still here?

anonymous · Answer

I'm stumped with this one, maybe if you send me the original text of the question.

akohl · Answer

Okay
A crate attached to a spring is being pulled across a flat frictionless surface. The spring is stretched 0.82 m, the crate is accelerating at  .930 m/s^2 and the mass of the crate is 40 kg. What is the spring constant? 
  
 45 N/m 
 22 N/m 
 183 N/m 
 31 N/m

abhisar · Answer

F=kx and f=ma
kx=ma
k*0.82=40*.930

find k

akohl · Answer

I got 45 thanks. Im gonna post another question

abhisar · Answer

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