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BY what factor does the kinetic energy of a moving body change when its speed is reduced to half? please help i have an exam and i need an answer
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BY what factor does the kinetic energy of a moving body change when its speed is reduced to half? please help i have an exam and i need an answer

User Kyna
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Answer:

Kinetic Energy = 1/2 mass*velocity^2

K=1/2mv^2

Therefore if you reduce the speed of an object by 1/2, K reduced to 1/4 its value.

User Najwa
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