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You are studying a 3-km stretch of stream that is about 35 m wide. A gaging station on the stream provides you with an estimate that the average flow rate during your srudy was 3 cubic meters per second (ems). You toss a float into the stream and observe that it takes about 2 hr to traverse the stretch. Calculate the average velocity (rnps), crosssectional area (rn"), and depth (m) for the stretch. To make these estimates, assume that the stretch can be idealized as a rectangular channel
Two marbles are drawn in succession from the box containing 10 red, 30 white, 20 blue, and 15 orange marbles. replacement being made after each drawing. Find the probability that is: (a) both are white
Setam with a quality of 95% is present at 200 degrees F. What are the pressure and enthalpy values for this point
A contractor has both a 3-cy and a 5-cy shovel in the equipment fleet. Select the minimum-size shovel that will excavate 400,000 bcy of common earth in a minimum of 130 working days of 8 hr each.
a 110 cubic centimeter volume of clay weighs 145 g in its undisturbed state. when the clay specimen is dried it weighs 110.5g. what is the natural water content of the clay, and what is the degree of saturation Assume Gs=2.70
What power must the pump supply to the system to pump the oil from the lower reservoir to the upper reservoir at a rate 0.20 m^3/s. Sketch the HGL and the EGL for the system.
Describe mathematically and explain the Principle of Linear Impulse and Momentum. What is Conservation of Linear Momentum and how is it related. What is the difference between Linear Momentum and Angular Momentum.
An empty air tank has a volume of 0.024 m3. The compressor on the tank is run until the pressure gauge reads about 65 psi (or 22,500 Pa). Assuming the temperature of the tank is 25 C, find the density of the air and the weight of the air in the ta..
During an experiment, the depth of a water flow in a flume is measured five times by using a ruler with 1/16-in division. The results from these measurements are 4.88 in, 5.06 in, 5.03 in, 5.13 in, 4.94 in. What is the instrumental error and what ..
A solid titanium is titghly inserted into a hollow section of length l/2 and constan thickness t=7.5mm , and extends from end B towards end A. determine the shear streess and angle of twist at B.
For each of the following transitions, draw E2,y2 on the specific energy chart and fully describe the reasoning. a. In a rectangular channel, there is a sudden drop in the channel bottom. Did the water depth increase or decrease
The velocity of the center point of the wheel is constant at 20 ft/sec to the right. For the instant, determine the following: a) The velocity and acceleration of point B (which is attached to the wheel) measured with respect to ground.
The owners wish to achieve an initial acceleration from rest of 22 ft/(sec^2) on a level paved surface. What is the minimum coefficient of road adhesion needed to achieve this acceleration
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