An electric car is being driven through a town at 22 m/s. The kinetic energy of the car is 222640 J. Calculate the mass of the car

Question

An electric car is being driven through a town at 22 m/s. The kinetic energy of the car is 222640 J. Calculate the mass of the car

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Thu Cúc 5 years 2021-07-17T17:50:29+00:00 1 Answers 251 views 1

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  1. Sapo1
    1
    2021-07-17T17:51:38+00:00
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    Answer:

    920 kg

    Explanation:

    kinetic \: energy = 222640j \\ \frac{1}{2} mv {}^{2} = 222640 \\ \frac{1}{2} m(22) {}^{2} = 222640 \\ m = 920kg

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