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The collar has a mass of 30 kg and is supported on the rod having a coefficient of kinetic friction mu k = 0.4. The attached spring has an unstretched length of 0.2 m and a stiffness k = 50 N/m. Determine the speed of the collar after the applied force F = 200 N causes it to he displaced x = 1.5 m from point A. When x = 0 the callar is held at rest. Neglect the size of the collar in the calculation.
Draw the influence line for the tension in the cable as a point load travels across the beam. Find the maximum tension in the cable due to a live point load of 6 k on the beam.
An aquifer is 45 meters deep and has a well that pumps water at 850 cubic meters per day. One observation well is located 45 meters away and has a water surface that is 44.35 meters above the bottom of the aquifer.
determine the angular acceleration of the spool and the acceleration of the trailer. The wheels have negligible mass and are free to rotate.
Calculate the support reactions for the beam - calculate the bending moments at A, B, C and D and plot the bending moment diagram.
When a channel of triangular cross section was new, a flowrate of Q caused the water to reach L = 2 m up the side of the channel. After considerable use, the walls of the channel became rougher and the Manning coefficient, n, doubled.
If the design speed of a multilane highway is 60 mph, what is the minimum sight distance that should be provided on the road if (a) the road is horizontal and (b) the road has a maximum grade of 5%? Assume the perception/reaction time is 2.5 seconds...
A "slap shot" in the game of hockey can cause an increase in the velocity of a 5 oz puck from 2 ft/sec to 110 ft/sec. What would be the corresponding increase in the kinetic energy (ft-lb) of the puck.
Design a system to pump water 80 degrees C from a water heater to a washing system. Desired minimum flow rate is 750 Liter per min.
The center 0 of the wheel is mounted on the sliding block, which has an acceleration of a0= 8 m/s2 to the right. At the instant when theta=45 degrees, theta dot is = 3 rad/s and theta double dot is = -8 rad/s2.
Determine the heights of the fluid columns for barometers that use the following liquids at 20 C: water, ethyl alcohol, and mercury. Why do you think mercury barometers were used in the past (before the negative health effects of mercury were know..
A 3-point bending test is performed on a 10 mm diameter rod of Silicon Carbide. The distance between the supports is one foot. If the load at fracture is 10,000N, what is the flexural strength of the rod
Define the meaningof C•t product. In addition to Cand t, what factors influence the rate of chemical disinfection? What kind of microorganism is most readily inactivated byfree chlorine? What kind is most difficultto inactivate?
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