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Using a forked rod, a smooth cylinder C having a mass of 0.5 kg is forced to move along the vertical slotted path r = 0.5? m, where ? is in radians. If the angular position of the arm is ? =(5t^2) rad, where t is in seconds, determine the magnitude of the force of the rod on the cylinder and the magnitude of the normal force of the slot on the cylinder at the instant t = 2s. The cylinder is in contact with only one edge of the rod and slot at any instant.
Determine the drag force FD on a golf ball assuming it is a smooth sphere. (Assume the air is at 60 F and standard pressure.) Now determine the drag force on an actual golf ball assuming CD = 0.25. How do the two forces compare
At the bottom, an opening allows water to drain out at a rate, in lbm/s, that is proportional to H(t), the instantaneous height of water in the barrel, in ft: rate of water leaving from bottom = 9*H(t) .
At point D, Fred measured the distance to point E, the final point, to be 405.27 ft. The noon whistle sounded (you may have to have a little "small town" in you to appreciate the noon whistle), so they left in a hurry without measuring the angle C..
The discharge of the river at the basin outlet is measured at an avarage of 650 cfs. assuming that the charge in storage for the system is essentially zero, estimate the ET losses for the area in inches and centimeters for the year
A 6ft wide, 10ft high vertical rectangular gate has its top edge 6ft below the water level. it is hinged along its lower edge. what force, acting on the top edge, is necessary to hold the gate shut
A Parshall flume with a throat width of 2.50 feet is used to measure discharge. If the measured depth, H, is 1.8 feet, what is the discharge? Need to know how to solve for the discharge.
A footing under a brick pier has dimensions 300mmx300mmx300mm deep. what is the pressure applied to the soil under the above load. How does this compare with an allowable bearing capacity of 100kPa. Does this allow for a reasonable factor of safety.
How we calculate the ultimate moment ( Mu) for the column design in case of a two storied school building framed structure. Only given data is loads coming from various slabs , beams around the column.
a. What is this investment's external rate of return b. What is the decision rule for judging the attractiveness of investments based on external rate of return c. Should Aerotron Electronics buy the water filtration system
The concentration of carbon in an iron-carbon alloy is 0.15 wt%. What is the concentration in kilograms of carbon per cubic meter of alloy?
A line AC was observed in 2 sections AB and BC, with lengthsand standard deviations listed below. What is the total lenth AC and its standard deviation?
List some of the advantages and disadvantages of rectangular primary sedimentation tanks over circular sedimentation tanks which must be considered prior to the selection.
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