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Three shafts and four gears are used to form a geartrain which will transmit 7.5 kW from the motor at A to a machine tool at F. (Bear- ings for the shafts are omitted from the sketch.) Knowing that the frequency of the motor is 30 Hz, determine the magnitude of the couple which is applied to shaft (a) AB, (b) CD, (c) EF.
A particle is traveling along a circular curve having a radius of 13 m. If it has an initial speed of 21m/s and then begins to decrease its speed at the rate of at = (-0.25s)m/s2
A continuous geogrid having a reinforcement coverage ratio equal to 100 percent. A continuous metallic grid consisting of W4 bars having a diameter equal to 5.7 mm, a distance between longitudinal bars equal to 150 mm, a distance between transvers..
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.
determine the total dead load, per foot of length, each beam must support.
The depth to water in A is 210 ft, in B is300 ft, and C is 230 ft. Determine the direction of ground water flow through the triangle ABC and calculate the hydraulic gradient. If the aquifer hydraulic conductivity is 30 ft/day, estimate how far gro..
The potentiometric surface elevations at two observation wells 1000 m apart are 52.35 m and 56.90 m. If the horizontal hydraulic conductivity of the auquifer is 25 m/ day determine the flow rate per unit width of the auquifer.
If the difference in weight between the two baskets must greater than 15 lb they will not have the strength to operate the pulley. The King weighs 195 lb, the princess weighs 105 lb, and the prince weighs 90 lb.
What textbooks are used and required for CIVE 205, MECH 289, CIVE 290, EPSC 221 and MATH 263 at McGill?
you fill a 2-cubic wheelbarrow to the top with aggregate. if the specific gravity of the aggregate is 2.548, and 18% of the aggregate is void spaces, how much does the aggregate in the wheelbarrow weight
A ballon is tethered at a height of 16.8 m above the ground by three cables. if the tension in highlighted cable is 60 N , determine the vertical force exerted by the balloon at the base of the balloon basket.
A car has the following characteristics: weight = 18000 N; cross-sectional area = 2.5 m^2, drag coefficient = 0.5; rolling friction coefficient = 0.02. The energy content of gasoline is 3.5E10^7 Joules/Liter.
How many kg/day of NaOH must be added to neutralize a waste stream generated by an industry producing 90.8 million g/day of sulfuric acid, if 0.1% of the sulfuric acid produced is lost to wastewater The wastewater flow is 750,000 L/day
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