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Answer:
The net force of engine on total mass of train is 35000 N
The net acceleration is 1.944 m/s²
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the answer is true .......
Answer:
Pr abs = (101.3+9.806*27.5) = 371 kPa (kN/m^2) .. or 3.71*10^5 Pa
F = Pr abs*A = 371 kN/m^2*(0.7854*0.35^3 m^2) = 35.7 kN..or 3.57*10^4 N
Explanation:
