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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.
Over the course of 3days, she added another 6lbs of water and at the end of 3days, there was 67lbs of water remaining. A nearby rain gage recorded 0.4 inches of precipitation over the period.
Assume that the daily maximum wind speed at a given location follows a Gaussian distribution with a mean speed of 15 mph and a coefficient of variation of 67%. (a) Determine the asymptotic distribution of the annual maximum wind speed for the locatio..
Some organisms live in shallow ponds, where much of the water will evaporate during the warm, sunny, summer months. How will the concentration of solute change in the water druing this time? Will this create problems for the organims in the pond wate..
The winch consists of a drum radius 4 in., which is pin connected at its center C. At its outer rim is a ratchet gear having a mean radius of 6 in. The pawl AB serves as a two-force member (short link) and keeps the drum from rotating.
In a falling-head permeability test the initial head of 1.5m dropped to 0.5m in 4 h the diameter of the standpipe being 5mm. The soil specimen was 200mm long by 100mm in diameter.
You will be analyzing the frame below,which has the same properties as the previous homework:
The river channel itself is 20m wide and flow depth is 5m and the sandy bottom has an n=0.02, the left bank is 40m wide and the flow depth is 0.5m, while the right bank is 100m wide with a flow depth of 1m.
The bottom bar is made up of an aluminum bar and a steel bar, each 10 in. long placed in the parallel configuration at 70 F. That is also heated to 300 F.
a 45 kg machine is placed at the end of a 1.6 m long cantilever beam of elastic modulus 200 x 109 nm and
Transportation need to evaluate the time spent in traveling from city A to city B. The distance between the two cities is a variable because the macro developed is to be used for other cities.
The relative density of a sloped sand deposit is known to be 75%. Water is observed to be seeped through this slope at a rate such that the discharge velocity is 0.6 m/day.
Heat is transferred to the water such that the temperature in the tank remains constant. Determine the amount of heat that must be transferred by the time one half of the total mass has been withdrawn.
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