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Suppose a roller-coaster car is moving 31.3 [m/s] at the bottom of the first hill, and...

Suppose a roller-coaster car is moving 31.3 [m/s] at the bottom of the first hill, and has an effective (rolling) friction coefficient 0.01 as it moves along the track. Predict how fast it would be at the top of the next hill, that is 30 [m] higher and 110 [m] farther along the track.
This is on Earth, so use  g = 9.81 [N/kg]

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