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A series of small packages, each with a mass of 0.5 kg, are discharged from a conveyor belt. Knowing that the coefficient of static friction between each package and the conveyor belt is 0.4, determine (a) the force exerted by the belt on the package just after it has passed point A, (b) the angle θ defining the point B where the packages first slip relative to the belt.
Prepare an outline of the experimental design you will suggest to the plant manager. This outline should contain research rationale, aims and objectives, research methodology, nature of data analysis and interpretation, and possible outcomes/concl..
Calculate the freezing point of aqueous 0.369 m LiCl on the assumption that it is 100% dissociated. Calculate the freezing point if the percent dissociation is 0%.
The design discharge is 9.5 m^3/sec and the inlet will be submerged but not the outlet. Determine the depth that will result upstream (above the invert) during the design flood event.
Air photos are taken with specified overlap to take advantage of image parallax. Calculate the time interval between air photo exposures if the ground speed of the aircraft is 160km/h, the focal lenght is 50mm
What is the terminal settling velocity of a particle with a specific gravity of 1.4 and a diameter of 0.01 mm in 20 degrees celcius water. What is the smallest diameter particle of specific gravity 1.4
Light-Voice Controlling System. We are planning to design a new light-voice controlling system. The voices will basically coordinate the crossing of a road by blind people. Suppose the crossing will be operated by two coordinated systems
The bar is prevented from rotating by the two pegsA and B fixed to the plate. Determine the acceleration a of the plate for which no force is exerted on the bar by either peg A or B.
Determine the smallest horizontal force P required to move the wedge to the right. The coefficient of static friction at all contacting surfaces is mu_s = 0.6. Set theta = 14^\circ and F = 490N . Neglect the weight of the wedge.
Five years ago, GSI, an oil services company headquartered in Texas, issued $10 million worth of 12% 30-year bond with the dividend payable quarterly. The bonds have a call date of this year if GSI decides to take advantage of it.
For an unknown alloy the stress at which plastic deformation begins is 400MPa and the modulus of elasticity is 120GPa. If the original specimen length is 76 mm, what is the max length to which it may be stretched without causing plastic deformatio..
If the detention storage on the paved section is increasing at the rate of 60 m3/hr, what is the runoff rate into the inlet grate?
A two stage rocket with a total mass of 925kg is traveling at a speed of 6.6 10^3 m/s away from the earth . A predesigned explosion separates into two sections of equal mass that move with a speed of 2800m/s relative to each
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