A man (m 1 = 90 kg) is standing on a railroad flat car that is 9.0
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A man (m1= 90 kg) is standing on a railroad flat car that is 9.0 m long and of unknown mass m2. The man and the car are initially at rest on a level track (Fig. P7.74A), and the wheels of the car are friction less. The man then runs to the opposite end of the car and the car moves a distance 1.5 m to the left (Fig. P7.74B). Estimate the mass of the car.
Figure P7.74
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Related Book For
College Physics Reasoning and Relationships
ISBN: 978-0840058195
2nd edition
Authors: Nicholas Giordano
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