physics

Does the KE of a car change more when it goes from 10 to 20 km/h or when it goes from 20 to 30 km/h?

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asked by sarah
  1. 20 to 30

    KE=(1/2)(m)(v^2)
    velocity is squared, bigger difference higher you go

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  2. 20 to 30 km/h

    KE=1/2 × m × v^2
    Velocity is squared higher you go bigger difference

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