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Small objects are delivered to the 72-in. inclined chute by a conveyor belt A which moves at a speedV1 = 1.2ft/sec. If the conveyor belt B has a speed V2 = 3.0ft/sec. and the objects are delivered to this belt with no slipping, calculate the coefficient of friction πk between the objects and the chute
The transition at the cross sections of the step in ductile shaft has a radius of 3 mm. Yield strength is 80 MPa, ultimate strength is 150 MPa. Determine maximum in plane shear stress in the shaft.
a 2kg moves down a 45 degree incline at a constant velocity of .1m/s. What is the value of the kinetic coefficient of friction between the object and the incline
a simply supported square timber beam is span 5.0m and spaced 3.0m the dead load and imposed load was found to 1.5knm2
The concentration of BOD (an indicator of organic pollution) in a river just downstream of a sewage treatment plant's effluent pipe is 75 mg/L. If the BOD is destroyed by a first order reaction with rate constant equal to 0.05/day
the boiling point of water decreases wiht elevation because of the pressure change. what is the boiling point of water at an elevation of 2000m and at an elevation 4000 m for standard atmospheric conditions
Base course aggregate has a target dry density of 119.7 lb/cu ft in place. It will be laid down and compacted in a rectangular street repair area of 2000 ft*48ft*6in. the aggregate in the stockpile contains
Heat is now added until the quality is 40 percent. Determine the minimum entropy change of the thermal energy reservoir supplying this heat.
Consider a mixture of several gases of identical masses.
A pipe carrying oil of specific gravity (SG = 0.877) changes in size from 150 mm at section E to 450 mm at section R (E and R are arbitrary designations of the two points in the system).
Devise an absolute temperature scale where the boiling point of water at 1 atmosphere (101 kPa) pressure = 100 degrees in your scale. What is the ice point of water in your scale
The forces acting on the sailplane are represented by three vectors. The lift L and drag D are perpendicular. The magnitude of the weight W is 500 lb. If the magnitude of the resultant of the three forces is 0
This is a projectile motion when the initial angle is 30 degrees and initial velocity s 10 m/s. Find the total travel time. Find the x maximum distance.
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