Question

To stretch a spring 3.00 cm from its unstretched length.
12.0 of work must be done. (21) What is the force constant of
this spring! (b) What magnitude force is needed to stretch the
spring 3.00) cm from its unstretched length? (c) How much work
must be done to compress this spring 4.00 cm trom its
unstretched length, and what force is needed to compress it this
distance?
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Answer 1

Answer:

I want just free points