Question 5 Calculate the kinetic energy of a car (m – 800 kg) moving at 15 m/s. Write your answer to the nearest whole number in the b

Question

Question 5
Calculate the kinetic energy of a car (m – 800 kg) moving at 15 m/s. Write your answer to the nearest whole number in the blank space
provided. Only write the numerical value of the answer without units. Do not leave any space in between numbers.
Answer: Joules

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Khang Minh 4 years 2021-08-10T09:35:36+00:00 1 Answers 13 views 0

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  1. Philomena
    0
    2021-08-10T09:36:38+00:00
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    Answer:

    90,000

    Explanation:

    m =800kg\\v = 15\\\\K.E = \frac{1}{2}mv^2\\ K.E= \frac{1}{2} \times 800\times 15^2\\= 400 \times 225\\= 90000 joules\\= 90 kilojoules

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