The Moment Of Truth III

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The Moment Of Truth III

  1. 1. The Moment of Truth Work & Momentum Physics Semester I 2008-2009 Mrs. Kuzara
  2. 2. Work <ul><li>A roller coaster cart is at the top of a 40m hill going 5m/s. How fast is the cart going when it is at the top of the second hill (which is 20m high)? </li></ul><ul><ul><ul><li>20.4m/s </li></ul></ul></ul>
  3. 3. Momentum <ul><li>A 1850kg car is stopped at a traffic light and is hit from the rear by a 975kg car. The two cars become entangled. If the smaller car was moving at 22.0m/s north before the collision, what is the velocity of the cars after the collision? </li></ul><ul><ul><ul><li>7.59m/s north </li></ul></ul></ul>

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