• Q:- The speed of a car is continuously increasing. Its acceleration is 8 meters/second2 it means its speed increases by 8 meters/second in every 1 second. Its intial speed is 10 meters/second. Will how long the car take to reach the speed of 402 meters/second. Share to Whatsapp



  • Given- acceleration = 8 meters/second2
    It means speed increase by 8 meters/second in every 1 second.
    The car intial speed is 10 meters/second and the final speed is 402 meters/second.
    It means the speed increases by (402-10)
    = 392 meters/second
    Speed increases by 8 meters/second in 1 second.
    So, speed increase by 1 meter/second in (1/8) second.
    So, speed increase by 392 meter/second in (1/8)x392 seconds.
    = 49 seconds

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