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What gauge pressure must a pump produce to pump water from the bottom of the Grand Canyon (elevation 730m) to Indian Gardens (elevation 1370m)? Express your result in pascals and in atmospheres.
Find the gauge pressure at a second point in the line if the cross-sectional area at the second point is twice that at the first. Please show all work.
Find the speed at which the water shoots out of the tank. please show all the work.
What gauge pressure is required in the city water mains for a stream from a fire hose connected to the mains to reach a vertical height of 13.0m ? (Assume that the mains have a much larger diameter
In reaching her destination, a backpacker walks with an average velocity of 1.22 m/s, due west. This average velocity results because she hikes for 6.44 km with an average velocity of 2.53 m/s, due
What is the fluid speed at points in the pipe where the cross-sectional area is 0.109m^2 ?
What minimum volume must the slab have for a 40.0kg woman to be able to stand on it without getting her feet wet?
An ore sample weighs 20.0N in air. When the sample is suspended by a light cord and totally immersed in water, the tension in the cord is 11.0N . Part A: Find the total volume of the sample.
You are designing a diving bell to withstand the pressure of seawater at a depth of 350 m .
The piston of a hydraulic automobile lift is 0.330m in diameter. Part A: What gauge pressure, in pascals, is required to lift a car with a mass of 1450kg?
After a fourth unmeasured displacement, she finds herself back where she started. SHOW STEPS PLEASE Use a scale drawing to determine the magnitude of the fourth displacement. Determine the direction
A ball is is throw straight up from initial position of 2.0 m above ground and with an initial velocity of 9.0 m/s. What is the maximum height above ground reached by the ball?
Please show steps In what direction must the dog then run to end up 12.0m south of her original starting point? How far must the dog then run to end up 12.0m south of her original starting point?
Calculate the weight of air at 20 C in a room that measures 5.06 x 4.50 x 3.25 m
Find the minimum voltage needed between your finger and the doorknob to generate this spark. The minimum field that can produce a spark in air is 3.0 x 10^6 v/m. Express your answer using two signif
What is the capacitance of this capacitor? (The dielectric constant of Teflon is 2.1.) Express your answer using two significant figures.
If the train starts from rest, determine the elapsed time t' before it again comes to rest. What is the total distance traveled during this time interval? Construct the v-t and s-t graphs.
What is the electric potential at (3.0 m , 0)? Express your answer using two significant figures.
If such drivers are traveling on a straight road at 30 mph (44 ft/s) and their cars can decelerate at 2 ft/s^2, determine the shortest stopping distance d for each from the moment they see the pedes
How far down the hill does the shell strike if the hill subtends an beta=36.0 degrees from the horizontal? (ignore air friction.)
Calculate the speed of a proton after it accelerates from rest through a potential difference of 150 V . Express your answer using two significant figures.
A computer monitor accelerates electrons and directs them to the screen in order to create an image. If the accelerating plates are 1.65 cm apart, and have a potential difference of 2.00×10^4
If the electric field between the plates has a magnitude of 2.7×10^4V/m , what is the potential difference between the plates? Express your answer using two significant figures.
After this time the electric field is turned off and the ball returns to the surface. Find the height in meters which the ball is able to be lifted off the surface. I got .0215 m but it is wrong.
The human eye can readily detect wavelengths from about 400 to 700 . If white light illuminates a diffraction grating having 750 limes/mm, over what range of angles does the visible m= 1 spectrum e