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the 2 Mg car increases its speed uniformly from rest to 25 m/s in 30s up the inclined road. determine the maximum power that must be supplied by the engine, which operates with an efficiency of 0.8. also, find the average power supplied by the engine.
A 20-mm diameter rod made of a ductile material with a yield strength of 350 MPa is subjected to torque of 100 N.m and a bending moment of 150 N.m. An axial force is then gradually applied. Determine the value of force when the rod begins to yield..
Determine the tensions developed in wires , and and the angle required for equilibrium of the 30-lb cylinder E and the 60-lb cylinder F.
Derive eulers equation 1- Derive. From first principles eulers equation from the rate of change of momentum 2- Show by integration how Eulers equation derives Bernoullis equation
determine the force exerted by each cylinder in raising the crate for u = 60°, a 5 0.70 m, and L = 3.20 m. Show that the result obtained is independent of the distance d.
The effect on temperature and density of air under adiabatic compression, Air is going through a compressor
Calculate the net cycle work in kJ assuming air is an ideal gas with constant specific heats.
A block and tackle system with nine supporting strands is used to lift a metal lathe in a manufacturing plant. The motor being used to wind the cable in the pulley system can provide 100 lb. of force.
Calculate the number of vacancies per cubic meter in gold at 900°C. The energy for vacancy formation is 0.98 eV/atom. Furthermore, the density and atomic weight for Au are 18.63 g/cm3 (at 900°C) and 196.9 g/mol, respectively.
Working with boiler suspension bolts. An HRT boiler is 4766mm long and 3533mm in diameter. It has 66 steel tubes with a diameter of 9mm. The total dry weight of the boiler is 2.565 tonnes
Using static equilibrium calculations, calculate how far from the fulcrum the tweezers must be held to avoid damaging the sliver.
Determine (a) the turbine work output, in kJ/kg, and (b) the thermal efficiency of the cycle. Also, show the cycle on a T-s diagram with respect to saturation lines.
the manometer shown above in problem 1 above contains water and kerosene. with both tubes open to the atmosphere, the free surface elevations differ by H=20mm determine the elevation difference when a pressure of 98.0 Pa is applied to the right.
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