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The Plumbers Handbook 8th edition (p30) produced by The Australian Copper TubeIndustry states that, excluding fire services the recommended maximum watervelocity in a mains pressure pipe should be 3
How does the electron travel? I've heard that it just exists at a certain point, it fluctuates in and out of existence. Electron cloud densities are maps of where the e- has a high probability of 'e
Your refrigerator has a mass of 112.9 kg, including the food in it. It is standing in the middle of your kitchen, and you need to move it. The coefficients of static and kinetic friction between the f
Light of wavelength 612 nm in a vacuum travels 1.57 pm in a medium of index of refraction 1.51. Find (a) the wavelength in the medium, (b) the optical path length, and (c) the phase difference after m
The distance from the man to the pier is 30ft, and the length of the boat is 16ft. What is the distance of the man from the pier after he walks to the front of the boat at a velocity of 3mph? Assume
What is the velocity (in ft/s) of the box after 6 seconds? Assume the box starts from rest, and assume there is no friction between the box and the surface.
A cargo plane has to drop a relief package to people in need. The plane is flying level (vertical velocity = 0) at 200 ft.The plane is traveling at a horizontal velocity of 240 ft/s in a straight li
Four point charges are at the corners of a square of side a as shown in the figure below. Determine the magnitude and direction of the resultant electric force on q, with ke, q, and a left in symbolic
A spherical charged shell of radius R1 is concentric with a spherical charged shell of radius R2=2R1. The surface density of outer shell is +4.0 uC/m2. The electric field out of the outer shell is 0.W
In a spark ignition engine with compression ratio of 10, the lowest temperature is 200C and the lowest pressure is 200kpa. The work output is 1000kJ/kg.
Write an essay of 800-1,000 words in which you discuss and compare servant leadership and competency-based leadership. In your essay, be sure to discuss the following:
Determine the angle of deviation of a ray by a glass prism with a prism angle of 3o if the angle of incidence of the ray on the front face of the prism is zero. The refractive index of the glass ma
Two thin rods of length L lie along the x-axis, one between x=a/2 and x=a/2+L and the other between x= - a/2 and x= - a/2 - L. Each rod has positive charge Q distributed uniformly along its length.1)A
One hour later, the body temperature was 76 fahrenheit. Assume that the temperature of the body at the time of death was 98.6 fahrenheit and that is has cooled in accourd with Newton's law. What was
Consider the cascade of two 300L tanks shown in the figure below. Suppose that tank 1 INITIALLY CONTAINS 300Litres of pure ethanol and tank 2 initially contains 100 litres of pure water. Pure water
However, the driver's skid marks at the accident scene measured 210 feet. Assuming the same constant deceleration, determine the speed he was actually travelling just prior to the accident?
José is running on a treadmill at 12 mph expends 1300 kilocalories of energy per hour. A) Find the power José is exerting while running in Watts [W] B) Minh, using another treadmill, run
One mol of aluminum at a uniform temp of 0C is placed in thermal contact with a 2nd mol of aluminum which, initially is at a uniform temp of 200C. The pressure in the system is maintained at 1 atm. Th
The strength of interatomic bonding in two elemental crystalline materials is approximately the same, but Material #1 is composed of atoms that are approximately 4 times heacier compared to Material #
f the sun subtends a solid angle (omega) on the sky, and the flux from the Sun just above the Earth's atmosphere, integrated over all wavelengths, is F(d) show that the flux at the solar photosphere i
If a wire carries a flowing bunch of charges, each magnitude q, and if the wire rests in a magnetic field B , then each charge feels a Lorentz force F = qv B . The wire is bendy and B and I could vary
Calculate the energy content of 1 kg of natural uranium assuming complete fission. Estimate an average energy per fission. Compare this to the energy in 1 kg of coa
Consider a wide-gap degenerate n-type semiconductor with a bandgap of Eg=3.5 eV. Given a constant effective mass Mn*=0.2 m in the entire conduction band.calculate the absorption threshold in terms of
n = 6 moles of a monatomic ideal gas initially fills a V0 = 0.35 m3 container at P0 = 85 kPa. The gas undergoes an isobaric expansion to V1 = 1.3 m3. Next it undergoes an isovolumetric cooling to its
Calculate the energy content of 1 kg of natural uranium assuming complete fission. Estimate an average energy per fission. Compare this to the energy in 1 kg of coal (reference all values assumed). Wh