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11.3 Harmonic Motion and Energy A runaway railroad car, with mass 30 × 10 4 ...
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11.3 Harmonic Motion and Energy
A runaway railroad car, with mass 30 × 104 kg, coasts across a level track at 2.0 m/s when it collides with a spring-loaded bumper at the end of the track. If the spring constant of the bumper is 4.0 × 106 N/m, what is the maximum compression of the spring during the collision? (Assume the collision is elastic.)0%
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