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What is the work to be …

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What is the work to be done to increase the velocity of car from 30km h‐¹ to 60km h‐¹ if mass of the car is 1500kg?

    • Posted by Utkarsh Wani 2 months, 2 weeks ago

    CBSE > Class 09 > Science
    • 2 answers

    Samrat Pande 2 months ago

    Change in kinetic energy=work done Change in kinetic energy=1/2m(v^2-u^2) =1/2×1500(60^2-30^2) =750(3600-900) =750(2700) =2025000J

    1Thank You

    Zaina Khan 2 months, 1 week ago

    Convert initial and final velocity in m/s then use the formula 1/2m(v square - u square) you'll get the answer

    0Thank You

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