http://phet.colorado.edu/en/simulation/energy-skate-park

http://phet.colorado.edu/en/simulation/energy-skate-park

Project description
Discussion 5.1 Energy

http://phet.colorado.edu/en/simulation/energy-skate-park

Question 1

Create a ramp like the one shown below. Drop the skater from the top of the ramp so that he gets maximum possible height. Open the Energy vs. Position graph and collect a full cycle of data.

Press copy to save a copy of the graph then change the skater to the girl, dog, bug, and ball.

Answer which skater had the most energy and why?

Why did the total energy line remain flat?

Question 2

Create a ramp like the one shown below Change the skaters and then change the planet from Earth to Jupiter and to the moon. Pay attention to the maximum potential energy of the skaters.

Explain why the maximum Potential Energy of the skaters was different on each planet. Increase the friction on the track and explain what happens to the energy of the skaters.

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