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23 April, 00:15

150kg object takes 1.5minutes to travel 2,500 meter straight path it begins the trip traveling 120m/s and decelerates to a velocity of 20m/s whats its acceleration

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  1. 23 April, 00:56
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    Acceleration = - 1.11 m/sec²

    Explanation:

    Date Given to us is

    Mass = 150 kg

    Time = 1.5 minutes = 90 seconds

    Distance = 2500 meters

    Initial Velocity = 120 m/s

    Final Velocity = 20 m/s

    Acceleration = ?

    Solution:

    By using First Equation of motion

    Vf = Vi + at

    Putting the values

    20 = 120 + a (90)

    Subtracting 120 on both sides

    20-120 = 120 + a (90) - 120

    -100 = 90 a

    Dividing both sides by 90

    -100/90 = 90 a / 90

    -1.11 = a

    So the acceleration is - 1.11 m/s²
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