Question

<p>A roller coaster car stops at the crest of a hill. As itzooms down the hill, it reaches a speed of 33mph at the bottom. Thecar takes 3 seconds to get to the bottom of the hill. What is itsacceleration?</p>
<p>Also: A driver starts his parked car and within 5 secondsreaches a velocity of 54km/hr as he travels east.&#160; What ishis Acceleration?</p>
<p>Anothere One: Kate was rollerboarding at a speed of 12mphwhen she encountered a hill. After three minutes she reached thetop at a speed of 6mph. What was her acceleration?</p>