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Water flowing out of a horizontal pipe emerges through a nozzle. The radius of the pipe is 1.8 cm, and the radius of the nozzle is 0.52 cm. The speed of the water in the pipe is 0.60 m/s. Treat the water as an ideal fluid, and evaluate the absolute pressure of the water in the pipe. (The atmosphere pressure is P = 1.01 105 Pa, and the density of water is ρ = 1.00 103 kg/m3.)
question short sections of two very long parallel lines of charge are shown fixed in place and separated by l 10.0 cm.
A yo-yo with a mass of 5 kg is attached to a rope and is swung at constant speed around a vertical circle. what is the length of the rope in meters
q1. as a new mechanical engineer for engines inc. you have been assigned to design brass pistons to slide inside steel
An aluminum rod is 17.0 cm long at 20°C and has a mass of 350 g. what is the change in length of the rod
A flywheel with a very low friction bearing takes 1.6 h to stop after the motor power is turned off. The flywheel was originally rotating at 41 rpm. What was the initial rotation rate in radians per second
A hot iron horseshoe (mass = 0.50- kg) which has just been forged, is dropped into 1.45 -L of water in a 0.50 kg iron pot at first at 22oC. If the final equilibrium temperature is 32oC, calculate the initial temperature of the hot horseshoe (in Ce..
a cargo plane is moving with a horizontal velocity of v=+220 m/s at a height of y=970m above level ground, how much time will it take the package to reach the ground
Four point charges have the same magnitude of 2.6 x10-12 C and are fixed to the corners of a squarethat is 6.0 cm on a side. Three of the charges are positive and oneis negative. Determine the magnitude of the net electric field that exists at the..
A car starts at a position of x=2km and has a speed of 1 mph. After 56 s thecar has a speed of 44 mph. Determine the magnitude of the car's average acceleration during this time.
how does the use of h ii regions to find a galaxys distance differ from the use of cepheid variables? in question 4
Force F = -13jhatN is exerted on a particle at r = (3ihat+5jhat)m. What is the torque on the particle about the origin
If a particle undergoes SHM with amplitude.21 m, what is the total distance it travels in one period
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