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Water is pumped from a tank, point (1), to the top of a water plant aerator, point (2), as shown in Video V5.16 and Fig. P5.122 at a rate of 3.0 ft3/s.
(a) Determine the power that the pump adds to the water if the head loss from (1) to (2) where V2 = 0 is 4 ft.
(b) Determine the head loss from (2) to the bottom of the aerator column, point (3), if the average velocity at (3) is V3 = 2 ft/s.
A mass-spring system oscillates with an amplitudeof 4.40 cm. If the spring constant is 269 N/m and the mass is 403g, Determine the maximum acceleration
cientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 5.0kg projectile from rest to a speed of 4.0 x 103 m/s. The net force accelerating the projectile..
A diffraction grating with 2.507 X 10^3 lines/cm is used to examine the sodium spectrum. a) calculate the angular separation of the two closely spaced yellow lines of sodium (588.485 nm and 589.067 nm) in the first order. Answer in units of degree..
In an inkjet printer, letters are built up by squirting dropsof ink at the paper from a rapidly moving nozzle. The pattern onthe paper is controlled by an electrostatic valve that determinesat each nozzle position whether ink is squirted onto the ..
If the river current is 2 m/s (from left to right) and the canoe is moving at 5m/s toward the upper shore at a 60° angle, how far downstream does the canoe land
What is the resistance of a light bulb that uses an averagepower of 90 W when connected to a 60Hz power source with a peak voltage of 170 V
A cylinder contains 4.0 moles of a monatomic gas at an initial temperature of 27 ?C. The gas is compressed by doing 580J of work on it, How much heat flows into or out of the gas
For a science experiment you need to electroplate a 120nm-thick zinc coating onto both sides of a very thin, 2.5cm X 2.5cm copper sheet. how long will it take the zinc to reach the desired thickness
insects do not have lungs as we do nor do they breathe through their mouths. instead they have a system of tiny tubes
Suppose you want to run some apparatus that is 85 from an electric outlet. What voltage will be applied to your apparatus
An electric field of 8.55x10^5 V/m is desired between two parallel plates, each of area 35.00 cm^2 and separated by 2.45mm of air. What charge should be on each plate.
An asteroid is seen in opposition from Earth once every 1000 days. What is the sidereal orbital period of the asteroid? What is the length of the semimajor axis of the asteroids orbit?
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