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Pin P is constrained to move along the curve defined by the lemniscate r =(4sin2theta). If the slotted arm OA rotates counterclockwise with a constant angular velocity of thetadot= 2.0 , determine the magnitude of the velocity of peg P when theta= 58. Determine the magnitude of the acceleration of peg P when theta= 58.
Describe a soil classified as SW and a soil classified as CH in the Unified Soil Classification System as you would to a person having no knowledge of soil classification procedures or equipment.
What is the TCE concentration in ppm if the tank is held at (a) 4 degrees C and (b) 35 degrees C (c) What is the TCE concentration in ppm if the tank is filled with hexane instead of water Consider the temperature dependence of the density of wat..
The 3.5-Mg engine is suspended from a spreader beam having a negligible mass and is hoisted by a crane which exerts a force of 40 kN on the hoisting cable. Determine the distance the engine is hoisted in 2.4 s, starting from rest.
A sailboat capsizes a large distance from shore. What might be done to 1) right the boat and 2) prevent this from occurring again. How would this be accomplished specifically
Assuming unit surface area, find the conductive heat loss through the furnace wall and the temperature at the interface of the fire clay and red brick.
Account for chemical reactions, groundwater flows, streams, precipitation, evapotranspiration. Indicate any assumptions that can be made to simplify your equation.
Air can be assumed as a di-atomic ideal gas. Find the final temperature and the amount of work ( in kW) required for air compression at a rate of 100 mol/s , from an initial condition of 1 bar an 25 C to 10 bar; for the following ways.
To float a 160 pound man using helium balloons (assume 0.52 cubic feet per inflated balloon). How many balloons would it take? Assume density of air is 1.29 kg/cubic meter and the density of helium is 0.179 kg/cubic meter.
Determine the compressive strengths of the following
A u-tube manometer is used to measure the pressure of a vessel under vacuum. Assume the manometer is open to atmospheric pressure (101.325 kPa) and the density of the fluid in the manometer is 12.0 g/cm3.
What should TAC , TAB and the acute angle ? between TAB and the vertical to minimize the tension TAB ? Take o and W = 1,000 N. Hint: Consider various possible force triangles and decide on inspection how to minimize TAB.
the weigt w causes atension of 100 lb ic cable cd. if d=2ft, what is the moment about the z axis due to the force eserted by he cable cd at point c.
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