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A 2.00-kg package is released on a 53.1° incline, L = 3.93 m from a long spring with force constant 120 N/m that is attached at the bottom of the incline (see figure below). The coefficients of friction between the package and the incline are µs = 0.40 and µk = 0.15. The mass of the spring is negligible.
(a) What is the speed of the package just before it reaches the spring? m/s
(b) What is the maximum compression of the spring? m
(c) The package rebounds back up the incline. How close does it get to its initial position? m
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