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    momivi's Avatar
    momivi Posts: 1, Reputation: 1
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    #1

    Nov 20, 2012, 04:34 AM
    Physics problem solver
    At the highway speeds, a particular automobile is capable of an accelaration of about 1.6 m/s2. At this rate, how long does it takes to accelerate from 80 km/h to 110 km/h?
    Terciel's Avatar
    Terciel Posts: 7, Reputation: 1
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    #2

    Nov 20, 2012, 01:57 PM
    First convert to m/s. 80km/hour *1000m/km*1hour/3600sec = 22.22 m/s. Do the same for 110 km/h and get 30.56 m/s. Now the formula is V2= V1+aT so simply plug into the formula 30.56 = 22.22 +1.6(T) and it should be 5.21 seconds.
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