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1.If the force exerted on cable AB by the motor is F =(100^3/2) N, where t is in seconds, determine the 50-kg crates velocity when t = 5s. The coefficents of static and kinetic friction between the crate and the ground are u(s) =.4 and u(k) = .3 respectively. Initially the crate is at rest.
2.If a cylinder of A-36 steel 1 foot long with a diameter of 1 inch is wedged tightly between two immovable isothermal walls and the cylinder is heated from RTt to 300 c what will happen?describe, do not use an equation
A Chicago-based international air carrier plans to purchase a jumbo-class aircraft (Airbus A-340-600 or B777-200IGW) to serve the Chicago-London city pair
A cutting 9 m deep is to be excavated in saturated clay of unit weight 19 kN/m3. The design shear strength parameters are cu = 30 kN/ m2 and fu = 0. A hard stratum underlies the clay at a depth of 11 m below ground level.
Often this content is measured in grams per cubic meter (g/m3). Assume that a cumulus cloud occupies a volume of one cubic kilometer, and its liquid water content is 0.210 g/m3.
If the pulleys are fixed to the shaft, determine the magnitude of the tension T and the x,y,z componenet sof reaction at the smooth thrust bearing A and smooth journal bearing B.
The emission rate of radon into the crawl space is reported to be 0.6 pCi/m^2-s. An exhaust system was added to provide 1 air exchange per hour (ACH) in the crawl space. The outdoor concentration of radon is 1 pCi/L.
The coefficients of static and kinetic friction are 0.3 and 0.2, respectively, between each of the plates and between plate A and the ground. Determine the acceleration of each plate.
create a visual, window-based program for multiplying two 3x3 matrices together. Create 18 text boxes for input and 9 text boxes or labels for output
Part B (Assignment): by trial and error, find the angle that will give the minimum force F to make a basket (hint: try 52 degrees)The trajectory of the ball will make a basket when x = L and y = Hb
For unidirectional carbon/epoxy tape at a 60% fiber volume fraction, calculate E11 and E22. Given Ef= 211 GPa and Em =10 GPa. Calculate the fiber weight fraction. Given pf=1.95 g/cm3 and pm =1.3 g/cm3.
If the head in the Jordan has been pumped down by 100 ft in recent times, how much water in cubic feet has been pumped out of storage for an area of 100 sq. mi.?
When a particle falls through the air, its initial acceleration a=g diminishes until it is zero, and thereafter it falls at a constant or terminal velocity v_f . If this variation of the acceleration can be expressed as a=(g/v^2_f)(v^2_f-v^2)
The only losses of total phosphorus for the lake are settling and fluching throught the lake's outlet. Assume the outflow rate is 212 km^2/year and the sediment area is 10,500 km^2.
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