Question

A 2.5 kg box that is sliding on a frictionless surface with a speed of 13 m/s approaches a…

A 2.5 kg box that is sliding on a frictionless surface with a speed of 13 m/s approaches a horizontal spring. The spring has a spring constant of 2500 N/m.

If one end of the spring is fixed and the other end changes its position, how far will the spring be compressed in stopping the box?
x=m

How far will the spring be compressed when the box’s speed is reduced to half of its initial speed?
x=m

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