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    math10177's Avatar
    math10177 Posts: 2, Reputation: 1
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    #1

    Oct 1, 2009, 11:55 AM
    A deceleration
    A car decelerates at 2.0m/s^2 and comes to a stop sfter traveling 25m. Find a.) the speed of the car at the start of the deceleration and b.) the time required to come to a stop.
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    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Oct 2, 2009, 10:54 AM

    a) Use where 'v' is the final velocity (0 m/s), 'u' the initial velocity, 'a' the acceleration(-2 m/s^2) and 's' the displacment.

    b) Use your answer from a) and use
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