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Determine the percent error n in replacing the sine and the tangent of an angle by the value of the angle in radians for angle values 5 degrees, 10 degrees, and 20 degrees. Explain the qualitative difference between the sine and tangent results.
In my english class i have to write a propasl, and i choose to write a proposal on the libray doors at my school. the doors are very difficult to open even for young people like my self. who should i contact
A piston-cylinder contains 40 kg water of which 20 kg is saturated liquid. The equilibrium pressure of the system is 100 kPa. a) Find the system initial volume b) The water undergoes an isothermal expansion until the pressure reaches 10 kPa.
For some minerals color is a diagnostic property making identification rather easy. However, certain minerals can also occur in a wide variety of colors making color a poor tool for identification. List different colors for the mineral quartz lo..
Water flows past a triangular flat plate oriented parallel to the free stream as shown. Integrate the wall shear stress over the plate to determine the friction drag on one side of the plate. Assume laminar boundary layer flow.
a thin walled circular tube and a solid circular bar of the same material are subjected to torsion. the tube and the bar have the same cross-sectional area and the same length.
Find the minimum flow rate of air and the heat exchanger second-law efficiency.
What is the concentration of tracer in the reactor 1 h after tracer addition is terminated? The reactor had an initial concentration of tracer of 1.0 mg/L when tracer addition commenced.
A falling-head permeability test was carried out on a clay soil of diameter 100 mm and length 150 mm. In 4 minutes the head in the standpipe of diameter 5mm dropped from 680 to 350 mm.
An elevator weigh 4000kg. When the upward tension in the supporting cable is 48000N what is the upward acceleration Starting from rest, how far does it rise in 3s
The diameter of the soil column is 8.0 cm, the length of the soil column is 16.0 cm. The hydraulic head loss across the soil specimen is 6.4 cm. Over a period of 3 min, 350 mL of water is collected at the downstream side of the soil specimen.
The u-tube manometer has legs of unequal internal diameter d1 and d2, which are partially filled with immiscible liquids of density1, and density2 respectively and which are open to the atmosphere at the top.
A hawk flying at 2 m/s at an altitude of 45 m accidentally drops its prey. The parabolic trajectory of the falling prey is described by the equation below until it hits the ground, where y is its height above the ground and x is its horizontal dis..
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