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An angle is observed repeatedly using the same equipment and procedures. Calculate a) the angle's most probable value, b) the standard deviation, and c) the standard devaition of the mean
130 degrees 32' 36", 130 degrees 32' 42", 130 degrees 32' 44", 130 degrees 32' 38", 130 degrees 32' 34", 130 degrees 32' 40", and 130 degrees 32' 36"
THe upper end of the spring is welded to the lunger and the lower end is welded to the base plate. If the plunger is lifted 1.5" above equilibrium and released from rest, calculate its velocity as it strikes A.
A block of material has a mass density of 650 kg/m^3 and volume of 0.37 m^3. Find the weight of the block in Newtons and the specific gravity of the material. What downward force (in Newtons) would be necessary to hold the block from the previous pro..
Lift Charts in direct marketing, The mass-mailing business is often used to illustrate the use of lift charts. Another real world application where the lift charts can be used
Air at 90 psia and 70 degrees F flows through a 4.5 inch diameter welded steel pipe (e = 0.00015) at 60 lb/min. Find the friction head loss and pressure drop in 200 ft of this pipe. Assume the air to be of constant density.
The rotor shafte of a helicopter drives the rotor blades that provide the lifting force and is subjected to a combination of torsion and axial loading. it is known that normal stress is 68 MPa and shear stress is -100 MPa.
A closed cylindrical tank filled with water has a hemispherical dome and is connected to an inverted piping system. The liquid in the top part of the piping system has a specific gravity of 0.68.
There are 3 forces acting on the ring. using the non vector approach, determine the resultant force of only the 150 Ib and 100 Ib forces. Also calculate the angle between the resultant force and the positive x axis.
A wastewater is discharged to a stream with a reoxygenation constant of 0.5 day-1 and a velocity of 1 m/sec. The oxygen saturation concentration in the stream is 11 mg/L.
An offshore drilling rig is being towed out to sea. What is the maximum distance away that the navigation lights can still be seen by an observer standing at the shoreline
A classic car is d riving down an incline at 60 km / h when its brakes are applied. Treating the car as a particle, neglecting all forces except gravity and friction, and assuming that the tires slip
The two upper lengths of the welded Y-shaped assembly of uniform slender rods have a mass per unit length of 0.3 kg/m, while the lower length has a mass of 0.7 kg/m. Locate the mass center of the assembly. lenghts of all rods aew 30mm
You have a standard card deck of 52 cards. Select one card, find P[heart/ace]. B.) You have a deck of 51 cards, which happens to be missing the eight of diamonds, Find P(heart/ace). C.) In the situation above find P (spades/8).
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