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1. What is the kinetic energy of 4000 lb automobile, which is moving at 44ft/s? O 1.12 10*5 ft.lb O 2.10 10^5 ft.Ib 1.51 10*5

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What is the kinetic energy of 4000 lb automobile, which is moving at 44ft/s? O 1.12 10*5 ft.lb O 2.10 10^5 ft.Ib 1.51 10*5 ft.lb O 1.21 10^5 ft.lb O 2.51 10*5 ft.lbAn automobile tire is 30 inches in diameter. How fast in rpm does the wheel turn on the axle when the automobile maintains a speed of 50 mph? 504 rpm 560 rpm 551 rpm 450 rpm O 470 rpm

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