• Q:- The speed of a car is continuosly increasing. it speed increases from 8 kilometers/hour to 728 kilometers/hour in 45 hours. find its acceleration. Share to Whatsapp



  • Given- intial speed = 8 kilometers/hour
    Final speed = 728 kilometers/hour
    Increases of speed or change of speed = (728-8) kilometers/hour
    = 720 kilometers/hour
    So, in 45 hours, speed change by 720 kilometers/hour
    In 1 hour 720/45 kilometers/hour
    So, acceleration = 16 kilometers/hour2

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