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A puppy weighing 3 kilograms races through the dog park. If she slows from a speed of 2 meters/second to 1 meter/second, what will happen to her kinetic energy? Use the kinetic energy equation.[tex]KE=\frac{1}{2} mv^{2}[/tex]
A.
Her kinetic energy decreases to 1.5 J.
B.
Her kinetic energy increases to 1.5 J.
C.
Her kinetic energy remains unchanged.
D.
Her kinetic energy decreases to 1 J.
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