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how much work must be done to stop a 1000 kg car travelling at 100 km/h

    • Posted by Sangita???? Ankita 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 4 answers

    Palak ?? 7 years, 4 months ago

    500/18 as to change speed in si units...

    0Thank You

    Palak ?? 7 years, 4 months ago

    Work done = kinetic energy.....i.e 1/2m.v.v=1/2×1000kg×[500/18]^2=385802.5(approx.)

    0Thank You

    Sangita???? Ankita 7 years, 4 months ago

    sorry bt your ans is wrong

    0Thank You

    Shibham Khana 7 years, 4 months ago

    10

    0Thank You

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