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*I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we are fishing for answers, but I just need some guidance on some stuff I honestly cannot figure out how to do, no matter how easy it might seem to others.

A 1.50 kg box moves back and forth on a horizontal frictionless surface between two different springs, as shown in the accompanying figure. The box is initially pressed against the stronger spring, compressing it 4.00 cm, and then is released from rest.

By how much will the box compress the weaker spring?
5.66 cm....I actually got this one!

What is the maximum speed the box will reach?
Answer expressed in m/s.

Figure the maximum stored energy in a spring.... 1/2 kx^2, set that equal to 1/2 mv^2, solve for v.

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