Physics, 31.08.2019 14:30 alexandrecarmene
A20-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 26 n. starting from rest, the sled attains a speed of 2.3 m/s in 8.9 m. find the coefficient of kinetic friction between the runners of the sled and the snow.
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The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection
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The energy of a photon was found to be 3.38 Ć 10ā19 j. planckās constant is 6.63 Ć 10ā34 j ā¢ s. which color of light corresponds to this photon?
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Physics, 22.06.2019 22:00
Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. what is the best explanation of the relationship between wavelength and wave energy? a) wave energy is related only to frequency, not wavelength. b) longer wavelengths have lower frequencies but higher energy. c) the shorter the wavelength, the lower the frequency and the higher the energy. d) the shorter the wavelength, the higher the frequency and the higher the energy.
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Physics, 23.06.2019 03:30
Select the correct lewis structure for fluorine which is group 7a element?
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A20-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 26 n....
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