science

A person drive an automobile with a mass of 450 kilograms at a velocity of 26 meters per second. The driver accelerates to a velocity of 30 meters per second. The difference in the automobile's kinetic energy is how many joules?

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  1. KE2-KE1 = 0.5M*V2^2 - 0.5M*V1^2 =
    0.5*450*30^2 - 0.5*450*26^2 = 202,500 -
    152,100 = 50,400 J.

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  2. Got eeeem

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  3. The answer is 202500

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  4. Sorry, my mistake... It is 50,000 J. :)

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  5. A person drives an automobile with a mass of 450 kilograms at a velocity of 26 meters per second. The driver accelerates to a velocity of 30 meters per second.

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  6. 334555

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