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Double Attwood machine A light pulley can rotate freely about its axis of symmetry which is fixed in a horizontal position. A light inextensible string passes over the pulley. At one end the string carries a mass 4m, while the other end supports a second light pulley.
A second string passes over this pulley and carries masses m and 4m at its ends. The whole system undergoes planar motion with the masses moving vertically. Find Lagrange's equations and deduce the acceleration of each of the masses.
How should the shield be oriented to provide the larger reduction in heat transfer between the plates? That is, should the surface of emissivity ss or that of emissivity 2ss be oriented toward the plate at T1?
Based on the given information determine the final pressure and volume (kPa, m3 ).
Ethyl alcohol flows through a horizontal tube having a diameter of 10 mm. If the mean velocity is 0.15 m/s, what is the pressure drop per unit length along the tube? What is the velocity at a distance of 2 mm from the tube axis?
a mini motor bike for children is powered by 4 hp single cylinder gasoline engine governed to run at a maximum of 1850
saturated liquid ammonia is compressed adiabatically in a pistoncylinder. the ammonia starts at 40f and the
By following a systematic procedure and using the linear graph, obtain a complete state-space representation of the given model. The outputs of the system are compressor speed ωc and the torque T transmitted through the drive shaft.
Show how did you do the maintenance during your workshop
Taking the a-phase voltage to be the zero reference for phase, find the rotor speed, the phasor representation of the a-phase current, the input power, the output power, and the efficiency.
Determine the input voltage, current, and power and the efficiency when this transformer is delivering 12 W to the 300-Q load at a frequency f = 10,000/2π Hz.
Which process will have higher material utilization and b.What metal processing techniques are most similar to these two plastics manufacturing processes?
an ideal gas is heated from 50 c to 80 c a at constant volume and b at constant pressure. for which case do you think
Nitrogen in a piston-cylinder assembly undergoes a polytropic expansion process. Initially, nitrogen is at 125 C and 144 kPa. Then it is expanded to a state of 102 kPa and 90 C. determine the heat transfer and work for the process considering no chan..
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