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A skateboarder, starting from rest, rolls down a 14.6-m ramp. When she arrives at the bottom of the ramp her speed is 8.49 m/s. (a) Determine the magnitude of her acceleration, assumed to be constant. (b) If the ramp is inclined at 27.9 ° with respect to the ground, what is the component of her acceleration that is parallel to the ground?

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