Determining spring's max compression on frictionless track

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SUMMARY

The maximum compression of a spring with a force constant of 43.6 N/m, when a 0.280-kg block traveling at 1.30 m/s collides with it on a frictionless track, is calculated to be 0.11 meters. The solution employs energy conservation principles, equating gravitational potential energy to spring potential energy. The calculations confirm that the derived value is accurate, with an alternative method provided for verification.

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mandy9008
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Homework Statement


A 0.280-kg block along a horizontal track has a speed of 1.30 m/s immediately before colliding with a light spring of force constant 43.6 N/m located at the end of the track. What is the spring's maximum compression if the track is frictionless?


The Attempt at a Solution


mgy=1/2mv2
y=1/2v2 / g
y=1/2 (1.30 m/s)2 / 9.8 m/s2
y=0.086m

mgy=1/2kx2
x2 = 2mgy / k
x2 = 2 (.280 kg)(9.8 m/s2)(0.086m) / 43.6N/m
x=0.11m
 
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Answer looks good, an alternate method is shown in the attachment.
 

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