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Can someone help me plss

  1. Jul 3, 2010 #1
    1.Gino, an experienced driver, was asked to test-drive the new Ferrari F40 sports
    car. This car has a distinction of having the world’s fastest acceleration, which
    was measured at 6.74 m/s². Starting at rest, the suddenly pressed his right foot
    on the accelerator. After 4 seconds, what is the velocity of Gino’s car in km/h?


    2.Starting at rest, a rocket moves vertically upward with an acceleration of 30 m/
    s². After 4 seconds, it runs out of fuel and continues to moves upward under the
    influence of gravity. How high can the rocket rise?


    3.You are driving your car at a constant velocity of 50 km/h when you spot an
    intersection 250m away prompting you to step on the brakes. How fast should
    your car constantly decelerate in km/h so as to come to full stop just before the
    intersection?

    thanks.
     
  2. jcsd
  3. Jul 3, 2010 #2
    You didn't follow the format.
    The purpose of which is to show us that you attempted to solve these and let us know how much you know about the topic.

    We are not going to just solve them for you.
     
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