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physics

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A roller coaster reaches the top of the steepest hill with a speed of 3.0 . It then descends the hill, which is at an average angle of 36 and is 50.0 long.
Estimate its speed when it reaches the bottom. Assume friction coefficint Mk=0.18.

  • physics - ,

    See 3-14,4:01pm post.

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