Which one of the following scenarios accurately describes a condition in which resonance can occur? a. a column of air has a height equal to 1 ∕8 of the wavelength of the sound waves produced by a tuning fork vibrating over the column of air in an open pipe that's partially immersed in water. b. a vibrating tuning fork is struck and begins to vibrate as the object used to strike it is placed away from the tuning fork. c. a person is holding a tuning fork on one end of a football field and another person is holding a separate tuning fork on the opposite end of the field. d. a pipe's length is equal to 1 ∕2 of the wavelength of the sound waves produced by a tuning fork vibrating over one end of the pipe that's open to the air at both ends.
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Which of the following characteristics of earth's relationship to the sun explains the existence of earth's seasons? choose all that apply. earth has a satellite called the moon, which rotates around earth. earth spins on its axis, completing one rotation each day. earth's axis always points in the same direction relative to the stars. earth's axis is tilted relative to its orbital plane. earth orbits around the sun, completing one orbit each year.
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Which one of the following scenarios accurately describes a condition in which resonance can occur?...
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