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It is generally a good idea to gain an understanding of the \"size\" of units. Consider...

It is generally a good idea to gain an understanding of the \"size\" of units. Consider the following objects and calculate their kinetic energy. A 6.55-kg bowling ball slides (not rolls) down an alley at 17.3 km/h. A car weighing 1060-kg is moving at a speed of 47.5 km/h.

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The kinetic energy of the ball is K,=-mv2 1000 m 1h 11 655)(173 km. man 3600s) = 7561 The kinetic energy of the car is, (1060

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