a car of mass 1500 kg is moving with the speed of 72 km/ hr (calculated it’s kinetic energy)​

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a car of mass 1500 kg is moving with the speed of 72 km/ hr (calculated it’s kinetic energy)​

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Thiên Hương 5 years 2021-08-29T09:52:05+00:00 1 Answers 53 views 0

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  1. binhan
    0
    2021-08-29T09:53:36+00:00
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    Answer:

    So work require will be 3888×10×10³J

    Explanation:

    ⇒Work done=Change in kinetic energy

    ⇒KE=1/2mv²

    ⇒Mass->15000kg

    ⇒Velocity->72km/h

    ⇒KE=1/2×15000×(72)²

    ⇒KE=1/2×15000×5184

    ⇒KE=7500×5184

    ⇒KE=3888×10×10³J

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