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мιšš муάω
мιšš муάω asked in Science & MathematicsPhysics · 9 years ago

A ball of mass m has a speed v has a kinetic energy K1. What is its kinetic energy K2 if its speed were doubl?

A ball of mass m has a speed v has a kinetic energy K1. What is its kinetic energy K2 if its speed were doubled?

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  • billrussell42
    Lv 7
    9 years ago
    Favorite Answer

    KE has a V squared term, so k2 = 4K1

  • scibod
    Lv 4
    9 years ago

    Since KE = 1/2mv^2 if you double the speed the KE will go up 4 times K2 = 4K1

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