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A spring AB of constant k is attached to a support A and to a collar of mass m. The undeformed length of the spring is l. Knowing that the collar is released from rest at x = and neglecting friction between the collar and the horizontal rod, determine the magnitude of the velocity of the collar as it passes through point C. Can anyone explain how to go about solving this problem. the answers supplied are for a problem in the following chapter with the same figure. The question in the following chapter states "A spring AB of constant k is attached to a support A and to a collar of mass m. The undeformed length of the spring is l. Knowing that the collar is released from rest at x = and neglecting friction between the collar and the horizontal rod, determine the magnitude of the velocity of the collar as it passes through point C."
Assuming that the average stack gas velocity is 10.0m/s and the stack is circular with a 3.0 meter diameter, calculate the mass emissions rate of NO2 in kg/day.
A 1 m3 sample of air was found to contain 88 mg/m3 of NO2 .The temperature and pressure were 25.0°C and 103.2 kPa when the air sample was taken. What was the NO2 concentration in parts per million
In the absence of motion, gravity, surface tension, electricity, and magnetism, the state of a pure substance is fixed by fixing at least:
A rectangular channel of 2 m depth and 5 m width carries 1 m deep running water. It is laid to a slope of 0.001 with Manning’s n = 0.02. Some distance downstream there is a hump of height 0.5 m on the stream bed
A torque of magnitude T = 1000Nm is applied at D as shown. Knowing that the diameter of shaft AB is 56 mm and that the diameter of shaft CD is 42 mm, determine the maximum shearing stress in (a) shaft AB, (b) shaft CD.
You are preparing a life-cycle assessment of different transportation options for getting from your house to work (10 miles each way). The options include carpooling with three or more people, one person in a car, bicycling, or taking the bus.
Determine the force in each member of the truss and state if it is in tension or compression. Set P=400 lb and d=4 ft.
A wide flange steel beam supports a permanent concrete masonry wall, floor slab; architectural finishes mechanical and electrical systems. Determine the dead uniform load in kips per linear foot acting on the beam.
. In order to get full credit for this problem you must list all unknown species that would exist in the raindrop and all pertinent equations regardless of their level of significance. You must algebraically solve the equations to determine pH.
Calculate the required area of an air to air heat exchange to cool 20,000 cfm from 1200 F to 400 F. Assume ambient air at 80 F will be heated to 800 F by the exchange.
Air enters an electrical furnace at 20oC, 100 kPa, with a volumetric flow rate of 30 m3/min. The furnace delivers air at 40oC to a duct system with three branches consisting of two 15-cm-diameter ducts and a 30-cm-diameter duct.
An activated sludge system operates at a flow rate (Q) of 400 m3/day with an incoming BOD of 300 mg/L. The kinetic constants for this system are Y = 0.5 kg SS/kg BOD, Ks = 200 mg/L, ?
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