k 80,000 N/m m 100 kg 10 m 300
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The spring shown in the figure is compressed 44 cm and used to launch a 100 kg physics student. The track is frictionless until it starts up the incline. The student's coefficient of kinetic friction on the 30∘ incline is 0.13 . (Figure 1)
What is the student's speed just after losing contact with the spring?
How far up the incline does the student go?
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