The spring shown in (Figure 1) is compressed 52 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 0.12. For help with math skills, you may want to review: Mathematical Expressions Involving Squares For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Car rolling down a hill. Figure 1 of 1 k = 80,000 N/m 10 m 30∘ Part A What is the student's speed just after losing contact with the spring? Express your answer with the appropriate units. v = Part B How far up the incline does the student go? Express your answer with the appropriate units. Δs = Value
