Recent content by irrrjntlp

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    What is the roller coaster's final speed at the bottom?

    Homework Statement A roller coaster is lifted up 50m above the ground to the top of the first hill and then glides down around the track at the bottom. If it had a velocity of 3.0 m/s at the top of the lift and loses 10% of its total energy to friction as it glides down, what is the roller...