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As shown in the figure below, a box of mass m = 6.80 kg is sliding across a horizontal frictionless surface with an initial speed v1= 2.90 m/s when it encounters a spring of constant k = 2700 N/m



As shown in the figure below, a box of mass m = 6.80 kg is sliding across a horizontal frictionless surface with an initial speed v1= 2.90 m/s when it encounters a spring of constant k = 2700 N/m. The box comes momentarily to rest after compressing the spring some amount xc. Determine the final compression xc of the spring. 

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As shown in the figure below, a box of mass m = 6.80 kg is sliding across a horizontal frictionless surface with an initial speed v1= 2.90 m/s when it encounters a spring of constant k = 2700 N/m
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