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# (See attached files for full problem description with units and diagrams) --- A package of mass  is released

from rest at a warehouse loading dock and slides down a 3.0-m-high frictionless chute to a waiting truck. Unfortunately, the truck driver went on a break without having removed the previous package, of mass 2  , from the bottom of the chute.     Part A Suppose the packages stick together. What is their common speed after the collision? Part B Suppose the collision between the packages is elastic. To what height does the package of mass  rebound? --- A block sliding along a horizontal frictionless surface with speed  collides with a spring and compresses it by 2.0 cm. What will be the compression if the same block collides with the spring at a speed of   --- The figure is the potential-energy diagram for a 500 g particle that is released from rest at A.     What are the particle's speeds at B, C, and D? --- Â  Part A Suppose the packages stick together. What is their common speed after the collision? Part B rebound? Â  What are the particle's speeds at B, C, and D? Answer: Vb= ? Vc=? Vd=?

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