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Car A has a mass of 1500g with a velocity of 20 m /s but Car B has a mass of 2000g with a velocity of 18 m/s. What is the KE of both car A and car B


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Answer:

Car A KE= 300 J    

Car B KE= 324 J

Explanation:

1500 grams to kilograms= 1.5 kg

KE= 1/2mv²

    =(0.5 x 1.5)(20)²

    =(0.75)(400)

    =300

2000 grams to kilograms= 2 kg

KE=1/2mv²

    =(0.5 x 2)(18)²

    =(1)(324)

    =324

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