Posted by **Nancy** on Friday, October 8, 2010 at 11:26am.

I need help with this question...A skateboarder, starting from rest, rolls down a 12.0-m ramp. When she arrives at the bottom of the ramp her speed is 8.90 m/s. (a) Determine the magnitude of her acceleration, assumed to be constanIf the ramp is inclined at 21.5° with respect to the ground, what is the component of her acceleration that is parallel to the ground?

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