What is the tension in the left rope
A 10-m uniform beam of weight 100 N is supported by two ropes atthe ends. If a 400-N person sits at 2.0 m from the left end of thebeam, what is the tension in the left rope?
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Air at 20 degree C, 40% RH is mixed adiabatically with air at 40 degree C, 40% RH in the ratio of 1 kg of the former to 2 kg of the latter on a dry basis.
Suppose we send such a beam through a polarizing filter and then rotate the filter through 360° while keeping it perpendicular to the beam. If the transmitted intensity varies by a factor of 5.75 during the rotation, what fraction of the inten
What are the temperature on the left edge of the wall, the maximum temperature in the wall, and the heat flux q'' in kw/m^2 going through the right side of the plate?
A supply of steam at 100 kPa, 150°C is needed in a hospital for cleaning purposes at a rate of 15 kg/s. A supply of steam at 150 kPa, 250°C is available from a boiler and tap water at 100 kPa, 15°C is also available.
The maximum stress developed in the spring is 150,000 psi. What is the required diameter of the torsional helical spring, the initial angular deformation of the spring and the number of active coils in the spring?
Two flows of air both at 200 kPa of equal flow rates mix in an insulated mixing chamber. One flow is at 1500 K and the other is at 300 K. Find the irreversibility in the process per kilogram of air flowing out.
If 1.0 m3 of concrete weighs 4.5 104 N, what is the height of the tallest cylindrical concrete pillar that will not collapse under its own weight? The compression strength of concrete (the maximum pressure that can be exerted on the base of the st
From the courthouse records, it is found that in 60 divorce cases, the filing for divorce was initiated by the wife 41 times. Using the sign test, test for a difference in filing between husband and wives by finding the Z-score and p-value.
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