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physics

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A student is skateboarding down a ramp that is 6.88 m long and inclined at 16.9 degrees with respect to the horizontal. The initial speed of the skateboarder at the top of the ramp 2.54 m/s. Neglect friction and find the speed at the bottom of the ramp in m/s.

  • physics -

    Find the real height, rather than the slant height. Use Sin Cos or Tan. Plug that value into PE=mgh solve for PE.
    PE=KE
    KE=1/2mv^2
    Solve for v

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