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A water filled pipe has water flowing at 5.70 m/s in a section of pipe where the diameter is 19.2 cm and the pressure is known to be 8.50×10^4 N/m^2 above atmospheric pressure. 1.If the pipe carries the water 3.5 meters up hill without any change in diameter, what is the new absolute pressure within the pipe? P = N/m^2 2.If the pipe narrows to 80% of its original radius, what will be the new water velocity in the pipe? 3.What will be the absolute pressure in the smaller pipe? P = N/m^2 4. What is the volume flow rate through the smaller pipe? answer in m^3/ second
A 0.200-kg block along a horizontal track has a speed of 1.80m/s at once before colliding with a light spring of force constant 44.2 N/m located at the end of the track.
A person walks 25.0 degrees north of east for 3.1 km. How far would another person walk due north and due east to arrive at the same location.
A steel cable has a cross-sectional area 3.44 × 10-3 m2 and is kept under a tension of 3.33 × 104 N. The density of steel is 7860 kg/m3. Note that this value is not the linear density of the cable. At what speed does a transverse wave move along t..
Blocks with masses of 2.0 , 4.0 , and 6.0 are lined up in a row on a frictionless table. All three are pushed forward by a 57 N force applied to the 2kg block.How much force does the 4 block exert on the 6.0 block.
For the situation, the magnetic field changes with time according to the expression B = (2.00t3 - 4.00t2 + 0.800)T, and r2 = 2R = 5.00 cm. (a) Calculate the magnitude and direction of the force exerted on an electron located at point P2 when t = 2.00..
Why is the human body not an equipotential surface? What is the function of a cell membrane in this respect and what electrical device does it behave like?
Compute the semi major axis of the star orbit
A cardinal (Richmondena cardinalis) of mass 4×10-2 kg and a baseball of mass 0.143 kg have the same kinetic energy. What is the ratio of the cardinal's magnitude p_c of momentum to the magnitude p_b of the baseball's momentum.
The temperature of the surface of a certain star is 7500K. Most hydrogen atoms at the surface of star are in the electronic ground state. What is the approximate fraction of hydrogen atoms that are in the first excited state (and therefore could e..
A 3.80 m-long, 430 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66.0 kg construction worker stands at the far end of the beam. What is the magnitude of torque abou..
Relationships between wavelength, frequency and speed.
What is the result of mixing 80g of ice at -20 degrees Celsius, into a 200g of water at 20 degrees Celsius?
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