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Question:
Water at a gauge pressure of 3.8 atm at street level flows in to an office building at a speed of 0.06 m/s through a pipe 5.0 cm in diameter. The pipes taper down to 2.6cm in diameter by the top floor, 20 m above. Calculate the flow velocity and the gauge pressure in such a pipe on the top floor. Assume no branch pipe and ignore viscosity.
A 460-Hz tuning fork causes resonance in the tube depicted in the figure below when the length L of the air column above the water is 18.3 and 55.8 cm, Find the speed of sound in air
Two particles each with charge +2.91 µC are located on the x axis. One is at x = 1.00 m, and the other is at x = 1.00 m. Determine the electric potential on the y axis
A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a thin section of a sphere. How far is her face from the hubcap
A 100W, 110V lightbulb has a resistance of 14.0Ohm when cold (20.0oC) and 112Ohm when on (hot). Calculate its power consumption at the instant it is turned on
q1. a rightward force of 302 n is applied to a 28.9 kg crate to accelerate it across the floor. the coefficient of
The x, y, and z components of a magnetic field are Bx = 0.12 T, By = 0.18 T, and Bz = 0.17 T. A 25 cm wire is oriented along the z axis and carries a current of 5.0 A. What is the magnitude of the magnetic force that acts on this wire?
Aluminum rivets used in airplane construction are made slightlylarger than the rivet holes and cooled by "dry ice" (solid CO2)before being driven. If the diameter of a hole is 4.460 mm , whatshould be the diameter of a rivet at 23.0 °C, if its diamet..
An experiment was performed where a quartz-iodine lamp was used to measure the photocurrent in microamperes in intervals of 10 nm from 400 nm to 900 nm for the voltage settings of 60, 80, 100, and 120V.
The total force above is all in the up/down direction, and makes the bar press against the top bar until they compress enough to get an equal and opposite force pushing the bar back. What is the net force on the body of the bar from the compressio..
A 6 m long 50 kg ladder leaning on a frictionless wall can successfully be scaled by a 120 kg man. find the minimum angle between the ladder and the floor
A light bulb is connected to a 260V potential, and produces 120-Watts of light and heat. What is the resistance of the wire in the light bulb and how much current does it sends through the heart
to measure the acceleration due to gravity on a distant planet an astronaut hangs a 0.055-kg ball from the end of a
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