Physics, 07.06.2021 20:00 carastudies1686
Sound travels through air at a speed of 342 m/s at room temperature. What is the frequency of a sound wave with a wavelength of 1.8 m?
Answers: 1
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An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point
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Physics, 22.06.2019 13:10
Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above
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The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?
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Along wire of diameter 1 mm is submerged in an oil bath of temperature ∞ 31°c. the wire has an electrical resistance per unit length of 0.01 ω/m. if a current of 103 a flows through the wire and the convection coefficient is 500 w/m2·k, what is the steady-state temperature of the wire? from the time the current is applied, how long does it take for the wire to reach a temperature that is within 1°c of the steady-state value? the properties of the wire are 8000 kg/m3, 500 j/kg·k, and 20 w/m·k.
Answers: 3
Sound travels through air at a speed of 342 m/s at room temperature. What is the
frequency of a sou...
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