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A car weighing 1200kg is uniformly …

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A car weighing 1200kg is uniformly accelerated from rest and it covers a distance of 40meters in 5 seconds. Calculate the work done by the engine of car during this time and what is the kinetic energy of the car

    • Posted by Bhawna Jain 5 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Yogita Ingle 5 years, 2 months ago

    s=ut+1/2at2
    40=1/2a(5)2
    a=80/25
    a=3.2m/s2
    f=ma
      =1200*3.2
      f=3840N
    work=fs
             =3840*40
          w=153600J

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