a 9500 kg rail flatcar moving forward at 0.70 m/s strikes a stationary 18000 kg boxcar, causing it to move forward at 0.42 m/s. What will be the velocity of the flatcar immediately after collision if they fail to connect?
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a 9500 kg rail flatcar moving forward at 0.70 m/s strikes a stationary 18000 kg boxcar, causing it t...
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