Answer to Question #179574 in Mechanical Engineering for miljenko

Question #179574
The tank in the picture has the shape of an ellipse with H-B axes, L in length. The tank is filled with ethylene glycol. The tank is moving 2% downhill at a speed of 80 km / h. If the tank stops in 5 s when braking, calculate the max fluid pressure. H=1.8 m, B=2.6 m, L=9.2 m  https://imgur.com/a/g71udUx
1
Expert's answer
2021-04-12T02:32:23-0400

"v= u+at\\\\\nu = 80km\/hr = 22.22m\/s\\\\\nv = 0m\/s\\\\\nt = 5s\\\\\n0 = 22.22+5t\\\\\na = \\frac{22.22}{5} = 4.44m\/s\u00b2\n\n\n\n\n"


"\\begin{aligned}P &=\\rho(hg +al)\\\\\n&=1110(1.8\u00d79.6 + 4.44\u00d79.2)\\\\\n&=64522Pa\\\\ &= 64.5kPa\n\\end{aligned}"

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