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Water is supplied to an office building 41.5 m high through a pipe at ground level.
a) Find the minimum pressure in the supplypipe so that water can reach the top floor of the building.b) Suppose the pressure in the supply pipe is designed so that water can flow out through a much smaller pipe on the top floor ata speed of 4.85 m/s. Find the pressure inthe larger pipe on the ground floor.
A faulty model rocket moves in the xy-plane (the positive y-direction is vertically upward), Calculate the velocity vector as a function of time
Jack was exposed to fast neutrons; he received a radiation dose of 300rem on part of his hand, affecting 22.0grams of tissue. The relative biological effectiveness (RBE) of these neutrons is 9.00.
An 81.7-g arrow is fired from a bow whose string exerts an average force of 121 N on the arrow over a distance of 78.4 cm
A catapult on a cliff launches a large round rock towards a ship on the ocean below. calculate the value of the angle theta
A stroboscope is a light that flashes on and off at a constantrage. It can be used to illuminate a rotating object, and ifthe flashing rate is adjusted properly, What is the shortest time between flashes of light
How fast in kilometers per hour, must a sound source be moving toward you to make the observed frequency 5.0% greater than that observed when the source is stationary with respect to you? (Assume that the speed of sound is 340 m/s.)
On a summer morning in July in Houston Texas, the temperature is 80°F. A painter fills a 5.0 gallon aluminum container to the brim with turpentine. How much fluid spilled out of the container
A jet plane passes over you at a height of 4990 m and a speed of Mach 1.75. Find the Mach cone angle
the electric field inside a 20.91 cm long copper wire is 0.071 vm. what is the potential difference between the ends of
cygnus a is an elliptical galaxy with an active nucleus from where two jets come out. the luminosity of the jets is
A small steel ball bearing with a mass of 17.0 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.25 m. Calculate the horizontal distance the ball would travel
Suppose a bat uses sound echoes to locate its insect prey, 3.00 m away. What is the percent uncertainty does this cause for the bat in locating the insect
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