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1. The initial displacement in a 2-m-long string is given by 0.2 sin πx and released from rest. Calculate the maximum velocity in the string and state its location.
2. A string π m long is stretched until the wave speed is 40 m/s. It is given an initial velocity of 4 sin x from its equilibrium position. Determine the maximum displacement and state its location and when it occurs.
helium gas expands from 125 kpa 350k and 0.25m3 to 100 kpa in a polytropic process with n 1.667 or 53. is the work
an insulated mixing chamber receives 4 lbms r-134a at 150 lbfin.2 220 f in a line with low velocity. another line with
an inventor has devised an atmospheric-pressure process to manufacture methanol. the inventor claims he has developed a
what is the maximum constant speed in miles per hour a stock car can travel around the 1000 ft radius turns that are
In order to determine the properties ofa dense gas at high pressures, 10 lbm of the gas was heated at 4000 psia from 700 to 740°F. The gas volumes were 0.287 and 0.328 ft^3 in the initial and final states, respectively, and the required energy transf..
a 1.5 ton crate is hoisted by three steel wires. each wire is 1/4 in. in diameter and each carries one-third of the load. determine the stress in the wires.
SO3 has many uses including the production of sulfuric acid (H2SO4). A gas stream having the (molar) composition shown in the figure below is to be passed through a two-stage converter. The fractional conversion of SO2 to SO3 (per single pass) in the..
Some alloys use a combination of strain hardening and precipitation hardening to achieve particularly high strength levels. The usual order of strengthening is solution treatment,quenching, cold working, and finally precipitation heat treatment. Why ..
determine the frequency response and m omega and phiv omega for an instrument having a time constant of 10 ms.
Develop a C program to print the sum, the average, the product, the largest and the smallest of 3 integers that are input from the keyboard. Define an array x of size 5, using call-by-reference (that is, use pointer) to pass the array to a function, ..
Water at a local bulk temperature of 24°C flows at 0.8 m/s through a smooth, 1.5-cm-ID tube that is kept at 30°C and the flow is fully developed. The system is extremely clean and quiet, and the flow stays laminar until a noisy air compressor is turn..
A bar of mild steel 25 mm diameter twists 2 degrees in a length of 250 mm under a torque of 430 N m. Calculate the values of E, G, K and Poisson's ratio v for the material
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