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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.
An engineering student is driving on a level roadway and sees a construction sign 500 ft ahead in the middle of the roadway. the student strikes the sign at a speed of 25 mi/h.
What is the design storage and water surface elevation at the peak outflow rate and estimate the long-term average reduction (EPA, 1986) in particulates under dynamic conditions.
A cantilevered W12X136 (ASTM-A36) steel member beam is 18 feet in length. if a concentrated load of 12 kips is applied at a point 6.25 feet from the beam's free end, use the superposition technique to find
a temperature probe moves with the velocity 2i+2j-3k through air. the temperature of air changes as T(x,y,z,t)=(2x^2-3y+z^3)cos(at). Find the rate of change of temperature measured by the probe.
The coefficient ofrestitution between each car is 0.8 . Determine the final velocityof each car, after all impacts, assuming (a) cars A and C hit Car Bat the same time, (b) car A hits car B before car C does.
Airplane tows a 2m tall advertising banner at a speed of 160 Km/hr. If the banner is flat and 5m long, then estimate its drag assuming fully turbulent flow.
A jet of water issues from a2-in diameter nozzle pointed directly down onto a flat plate located 14 feet below. velocity at the nozzle is 60 ft/sec. what force is exeerted on the plate?
A bolt located 50 mm fm he center of an automobile wheel is tightened by applying the couple for 0.10 s. Assuming that the wheel is free to rotate and is initially at rest, determine the resulting angular velocity of the wheel.
Air enters an adiabatic nozzle steadily at 300 kPa, 200?C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm2. Determine (a) the mass flow raw through the nozzle, (b) the exit temperature of the air, and (c) the e..
The flowrate through an open channel with a slope of 2 % is calculated using Manning's equation at 100 cubic feet per second. If the slope of the channel is doubled to 4%
A leveling rod is held vertically on another point N. When a sight is taken on the rod, the telescope is inclined so that the horizontal cross line of the transit intersects the rod at a reading of 4.9 ft.
Compute the motor size required to pump 28.3 cms through a 3,050 m long, 3.66 m diameter pipeline to an upper reservoir 610 m above the lower reservoir. Use a friction facter of 0.02 and a pump efficiency of 80 percent.
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