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A golf course sprinkler system discharges water from a horizontal pipe at the rate of 7375 cm3/s. At one point in the pipe, where the radius is 3.50 cm, the water's absolute pressure is 2.0 105 Pa. At a second point in the pipe, the water passes through a constriction where the radius is 1.75 cm. What is the water's absolute pressure as it flows through this constriction?
Two small plastic spheres each have a mass of 1.9g and a charge of -52.0 nC. They are placed 3.0cm apart (center to center). A) What is the magnitude of the electric force on each sphere
a copper puece of mass 140g and of temperature 240 degree is placed into 360g of water at temperature 25 degree. Find the final equilibruim temperature
A high-voltage transmission line carries 500 A at 700 kV for a distance of 100 miles. what is the power loss due to resistive losses
a satellite orbits the earth a distance of 1.50x10^7m above the planet's surface and takes 4.89 hours for each revolution about the earth. what is the acceleration of this satellite
sound of a single frequency is sent into the system of pipes, one straight, the other consisting of two semi-circular paths of radii 20cm and 30cm. what is the lowest frequency that produces an intensity maximum on the output side
q.water flows over a dam at the rate of 670 and falls vertically 78 before striking the turbine blades.estimate the
Define how Pascal's law addresses the pressure in a fluid at different heights (or depths) before addressing the question and would you apply it in this case
The centripetal acceleration in a horizontal centrifuge is 75 g's when it is rotating at 2000 rpm, What is the radius of the centrifuge
Three vectors have the same magnitude of 18 units. They make angles of ?, 2 times ? and 3 times ? with respect to the x axis, where ? = 14 o. What is the y-component of their vector sum
n unmarked police car traveling a constant 95 km/h is passed by a speeder traveling 130 km/h. how much time passes before the police car overtake the speeder
A 20 liter tank of helium is at a pressure of 172kPa at a temperature of 0 C. What is the speed of the helium atoms in the tank at this new volume
An electrically neutral model airplane is flying in a horizontal circle on a 4.0-m guideline, which is nearly parallel to the ground. Find the magnitude of the charges
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