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March 4, 2015

March 4, 2015

Posted by **Justin** on Sunday, October 8, 2006 at 3:32pm.

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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