Question: A skateboarder starts from rest and rolls down a ramp that is inclined at an angle of 15 below the horizontal. Friction can be ignored.

A skateboarder starts from rest and rolls down a ramp that is inclined at an angle of 15° below the horizontal. Friction can be ignored.

(a) What is the acceleration of the skateboarder?

(b) What is the skateboarder's speed 1.5 s after starting?

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