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Calculate the work required to be …

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Calculate the work required to be done to stop a car of mass 1500 kg moving with a velocity of 90km/h

    • Posted by Yash Kalantri 7 years, 1 month ago

    CBSE > Class 09 > Science
    • 2 answers

    Jayesh Ratlani 7 years, 1 month ago

    -937500J

    3Thank You

    Jayesh Ratlani 7 years, 1 month ago

    m=1500kg u= 90km/h =90* 5/18 = 25m/s v =0m/s w = change in its KE. initial KE =1/2 mu2 final KE=1/2mv² w = 1/2mv2 - 1/2 mu2 =1/2m(v2-u2) = 1/2 * 1500{0- (25)2} = -937500

    2Thank You

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