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Homework Help: Initial velocity

  1. Aug 5, 2014 #1
    A car drives at constant velocity on a road. As it comes near a stop sign, the driver brakes, which makes the car decelerate at 4.7 m/s/s. If the car traveled 9.8 METERS while the driver was braking, what was the starting or initial velocity just when the driver was hitting the brakes?

    I cant find initial velocity because I cant find the final velocity here. Help please.
    Last edited: Aug 5, 2014
  2. jcsd
  3. Aug 5, 2014 #2


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    The final velocity is zero, the car comes to a stop.
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