Tension on a spring F=kx

Physics
Tutor: None Selected Time limit: 1 Day

2 crates with mass 640kg and 490kg are connected with a massless spring k=8.1kN/m and propelled along a frictionless floor by a force applied to the more massive crate. Spring compresses 5.1cm what is the applied force? what is the acceleration of the 2 crates?

May 31st, 2015

sorry! withdraw please!!!  i ain't smart in physics

May 31st, 2015

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May 31st, 2015
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May 31st, 2015
Feb 22nd, 2017
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