Physics, 13.04.2021 05:10 alondrasanchezvillan
A dog whistle has an average frequency of 30 kHz. At room temperature (where the speed of sound is ~340 m/s), what is the wavelength of the sound created by the whistle (in meters)?
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Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle
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What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.
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If the pressure in a gas is doubled while its volume is held constant. true or false
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A dog whistle has an average frequency of 30 kHz. At room temperature (where the speed of sound is ~...
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