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A horizontal water main with a cross-sectional area of 186 cm2 necks down to a pipe of area 57.8 cm2. Meters mounted in the flow on each side of the transition coupling show a change in gauge pressure of 74.0 kPa. Determine the flow rate through the system, taking the fluid to be ideal.
115 g of glass beads, originally at a temperature of 75.0 oC, are added to 85.0 g of ethyl alcohol which is at a temperature of -50.0 oC. find the temperature of the mixture when thermal equilibrium is reached
A particular organ pipe can resonate at 213 Hz, 355 Hz, and 497 Hz, but not at any other frequencies in between. What is the fundamental frequency of pipe.
In the process of changing a flat tire, a motorist uses a hydraulic jack. She begins by applying a force of 41 N to the input piston, determine the force that the output plunger applies to the car
Find the electric field inside a hollow plastic ball of radius R that has charge Q uniformly distributed on its outer surface
A ball (spherical shell of mass M and radius R) rolls without slipping up a ramp. If the ball's initial speed is v, how high up the ramp does the ball roll
A proton accelerates from rest in a uniform electric field of 680 N/C. At some later time, its speed is 1.42 106 m/s. How long does it take the proton to reach this speed
A single string is made up of two strings of different densities joined together. Each of the strings is 1.40 m long. what is the tension on the combined string
Write down a function named as kineticEnergy() which determines the kinetic energy of an object in accordance with the following formula.
A child pulls a friend in a little red wagon with constant speed. How much work does the child do on the wagon
A train consists of 4300kg locomotive pulling two loaded boxcars. The first boxcar has a mass of 12,700 kg and the second 16,300 kg. with what force in newtons do the boxcars pull on each other
Find the force P that must be applied to a piston of area 11.10 cm2 to produce sufficient fluid pressure to support a car weighing 10,251 N by means of a column of fluid of cross sectional area 260 cm2, How far must the smaller piston move in order..
A car of mass m is on an icy driveway inclined at an angle ? = 16.0°, What is the car's speed at the bottom
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