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what are some examples of kinetic energy in solving a problem?

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Julziannieviz
Given: m= 45kg & 67kg
            v= 9m/s
Required: KE
Formula: KE= 0.5 (m)(v)^2 =mv^2
                                                2
Solution: 0.5 (45kg + 67kg) (9m/s)^2
               =0.5 (112kg) (9m/s)^2
              =504^2
                 2
              = 254016
             = 127008 J ~final answer

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