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# Phet colorado energy skate park

For this lab we will be using "The Skate Park" simulation from PhET. You can run this simulation by clicking on the following image. This will open in a new window. You need JAVA to run this. If you have trouble, after installing JAVA, try copying and pasting the following link into a new window:

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How high must a 20 kg skater start at to have a kinetic energy of 360 joules at a height of 0 meters?

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What is the total energy of the 60.0 kg skater before she starts her ride, 12 meters above the ground?

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If you throw a 2.0 kg basketball straight up in the air, at what height will the basketball have 160 J of potential energy?

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Describe what happens to the bar graphs when you change the amount of friction. Is the Law of Conservation of Energy still obeyed?

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