Springs & Elastic Potential Energy Video Lessons

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Problem: The spring shown in the figure is compressed 51 cm and used to launch a 100 kg physics student. The track is frictionless until it starts up the incline. The students coefficient of kinetic friction on the 30 30 (Page 231) incline is 0.16 . You may want to review (Page 231) . 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 Pulling a box across the floor.What is the students speed just after losing contact with the spring?How far up the incline does the student go?

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Problem Details
The spring shown in the figure is compressed 51 cm and used to launch a 100 kg physics student. The track is frictionless until it starts up the incline. The students coefficient of kinetic friction on the 30 30 (Page 231) incline is 0.16 . The figure shows a 100-kilogram person sitting on the top of a curved slope, 10 meters above its bottom. The person leans against a horizontal spring with a spring constant of 80000 newtons per meter. On the other side of the slope starts a 30-degree incline.

You may want to review (Page 231) .

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 Pulling a box across the floor.

What is the students speed just after losing contact with the spring?

How far up the incline does the student go?

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