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A boxcar of length 10.1 m and height 2.4 m is at rest on frictionless rails....

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Physics

A boxcar of length 10.1 m and height 2.4 m is at rest onfrictionless rails. Inside the boxcar (whose mass when empty is3600 kg) a tank containing 1700 kg of water is located at the leftend. The tank is 1.0 m long and 2.4 m tall. At some point the wallsof the tank start to leak, and the water fills the floor of theboxcar uniformly. Assume that all the water stays in theboxcar.

A. After all the water has leaked out what will be the finalvelocity of the boxcar? (Take movement to the right as positive.Assume that the mass of the boxcar is evenly distributed.)

B. What is the displacement of the boxcar 9 s after the waterhas settled in the bottom. (Take positive displacement as being tothe right.)

Answer & Explanation Solved by verified expert
4.3 Ratings (560 Votes)
In this case the shift is potential energy of the water is the cause for the velocity to the boxcar Initially center of mass of water in the tank is at 102 05 m Volume of    See Answer
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