(Figure 1) depicts the potential energy of a 630-kg pallet that slides from rest down a frictionless roller conveyor ramp, then moves across a frictionless horizontal conveyer, and finally encounters a horizontal spring at x=4.0m.

Part A What is the angle of inclination of the conveyor ramp? Express your answer to three significant figures and include appropriate units.

Part B What will be the speed of the pallet at x=6.0m if it begins sliding from rest at x=0? Express your answer to three significant figures and include appropriate units.

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Gravitational potential energy Spring potential energy 2500 2000 1500 1000 500 1 3 4 7. Position, x (m) Potential energy () 2. Gravitational potential energy Spring potential energy 2500 2000 1500 1000 500 1 3 4 7. Position, x (m) Potential energy () 2.