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A 3-kg-mass is sliding down a frictionless inclined plane (θ = 22º) towards a spring of...

A 3-kg-mass is sliding down a frictionless inclined plane (θ = 22º) towards a spring of force constant 450 N/m. The mass is initially a meter from the spring and is traveling with a speed of 0.8 m/ s. How much is the spring compressed when the mass is momentarily stationary? Assume the mass of the spring is negligible.

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