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A 23 kg box slides 4.0 m down the frictionless ramp shown that is raised 30 degress from the ground , then collides with a spring whose spring constant is 140 N/m
(A) What is the maximum compression of the spring?
(B) At what compression of the spring does the box have its maximum speed?
Refer to Interactive Solution 19.25 to review one way in which this problem can be solved, What is the distance of closest approach
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