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Water at a gauge pressure of P = 3.4 atm at street level flows into an office building at a speed of 0.90m/s through a pipe 5.6 cm in diameter. The pipe tapers down to 2.2 cm in diameter by the top floor, 16 m above, where the faucet has been left open. Assume no branch pipes and ignore viscosity. Calculate the flow velocity. Calculate the gauge pressure in the pipe on the top floor.
A uniform linear charge density of 4.0nC/m is distributed along the entire x-axis. Determine the electric flux through this surface
At one instant a bicyclist is 50 m due east of a park's flagpole, going due south with a speed of 9 m/s. Then, 24 s later, the cyclist is 45 m due north of the flagpole, going due east with a speed of 20 m/s. For the cyclist in this 24 s interval,..
A car travels north at 28.9 m/s for 14.3 min. It then travels south at 40.1 m/s for 28.5 min. a) What is the total distance the car travels? b) What is the displacement of the car?
For comparison, what is the magnitude of the acceleration a test tube would experience if dropped from a height of 1.0 m and stopped in a 2.0-ms-long encounter with a hard floor
At a certain time a model car's speed was 24 m/s in the positive x direction, What was the average acceleration of the car during this 8.0 s interval
A hydrogen atom is in its first excited state (n = 2). Using the Bohr theory of the atom, compute the linear momentum of the electron
Excellent human jumpers can leap straight up to a height of 95cm off the ground. To reach this height, with what speed would a person need to leave the ground
A rocket is launched from the origin with an acceleration of 20.0 m/s2 at an angle of 30.0 degrees above the horizontal. What is the total time of flight
A silicon sample is doped with phosphorus at 1.17 parts per 1.00*10^6, Calculate the number of free (conduction) electrons per unit volume of the doped silicon in conduction electrons per cm^3
A man in a maze makes three consecutive displacements. His first displacement is 6.40 m westward, Find the magnitude and direction of his third displacement
A person blows into a rubber tube connected to one arm of a manometer containing glycerin of relative density 1.260. what is the gauge pressure of the air in the person's lungs
A 20.0g ball of clay traveling east at 8.00m/scollides and sticks together with a 20.0g ball of clay traveling north at 8.00m/s. What is the speed of the resulting ball of clay
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