Physics, 31.07.2019 20:30 rleiphart1
Afire hose has an inside diameter of 6.40 cm. suppose such a hose carries a flow of 40.0 l/s starting at a gauge pressure of 1.62×106 n/m2 . the hose goes 10.0 m up a ladder to a nozzle having an inside diameter of 3.00 cm. calculate the reynolds numbers for flow in the fire hose and nozzle to show that the flow in each must be turbulent
Answers: 3
Physics, 21.06.2019 19:30
Aparticle travels in a circular orbit of radius 21 m. its speed is changing at a rate of 23.1 m/s2 at an instant when its speed is 37.2 m/s. what is the magnitude of the acceleration (in m/s? ) of the particle?
Answers: 1
Physics, 22.06.2019 00:30
There are weak or strong attractive forces between atoms of liquids with a high viscosity
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Physics, 23.06.2019 00:00
You are a researcher for a golf club manufacturer. you are given two identical looking cubes of a metal alloy. you are informed that they are made of the exact same material, but one is crystalline, whereas the other is amorphous. it is your job to determine which one is amorphous this one is more stress-resistant and is useful in reinforcing golf clubs. which of the following is the best way to determine which is which? a. determine the density of each cube. the more dense one is the amorphous solid. b. melt both cubes and look for a broader range of melting temperatures. the one that melts over a broader range of temperatures is the amorphous solid. c. determine the density of each cube. the less dense cube is the amorphous solid. d. melt both cubes and measure the range of melting temperatures. the one that melts over a narrower range of temperatures is the amorphous solid.
Answers: 1
Afire hose has an inside diameter of 6.40 cm. suppose such a hose carries a flow of 40.0 l/s startin...
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