Physics, 04.04.2020 02:28 petroale000
The blade of an electric saw rotates at 2600 rev/min. Assume that the diameter of a typical saw that is used to saw boards in home construction and renovation is 10 cm. What is the linear speed in m/s of a point on the rim of the circular saw blade?
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Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?
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Physics, 22.06.2019 12:30
Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=
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Physics, 22.06.2019 16:00
Which composition of water moves to begin a deepwater current?
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Physics, 22.06.2019 16:50
Consider the growth of a 20-nm-diameter silicon nanowire onto a silicon wafer. the temperature of the wafer surface is maintained at 2400 k. assume the thermal conductivity of the silicon nanowire is 20 wm-1k-1 and all its surfaces including the tip are subjected to convection heat transfer with the coefficient h = 1×105 wm-2k-1 and t∞ = 8000 k. when the nanowire grows to l = 300 nm, what is the temperature of the nanowire tip (t (x =
Answers: 1
The blade of an electric saw rotates at 2600 rev/min. Assume that the diameter of a typical saw that...
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