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Confused yet again in the tenuous world of physics, any ideas how to solve...

Confused yet again in the tenuous world of physics, any ideas how to solve... - Physics Forum

Confused yet again in the tenuous world of physics, any ideas how to solve... - Physics Forum. Discuss and ask physics questions, kinematics and other physics problems.


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Old 06-23-2009, 02:18 AM
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Default Confused yet again in the tenuous world of physics, any ideas how to solve...



...this fellow? A train of mass 55,200 kg is traveling along a straight level track at 26.8 m/s (60.0 mi/h). Suddenly the engineer sees a truck stalled on the tracks 184 m ahead. If the maximum possible braking force has magnitude 84.0 kN, can the train be stopped in time?
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