A skateboarder, starting from rest, rolls down a 12.0-m ramp. When she arrives at the bottom of

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A skateboarder, starting from rest, rolls down a 12.0-m ramp. When she arrives at the bottom of the ramp her speed is 7.70 m/s.
(a) Determine the magnitude of her acceleration, assumed constant.
(b) If the ramp is inclined at 25.0° with respect to the ground, what is the component of her acceleration that is parallel to the ground?

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Physics

ISBN: 978-0470879528

9th edition

Authors: John D. Cutnell, Kenneth W. Johnson

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