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a rope of mass 065 kg is stretched between two supports that are 30 m apart if the tension in the rope is 120 n how
a calculate the wavelengths in air at 20degc for sounds in the maximum range of human hearing 20 hz to 20000 hzb what
a loudspeaker is placed between two observers who are 120m apart along the line connecting them if one observer records
a cord is 20cm long four complete waves fit along its length when vibrated 30 times per second for the waves on the
1 what regulations govern military munitions waste when can used or fired military munitions be classified as solid
a steel guitar string has a length of 74 cm and thickness of 037 mm it is under 35n tension calculate the wave speed in
imagine that you are in charge of water quality for a local branch of your states department of environmental
a hollow log open at one end is struck with a stout stick the hollow cavity of the log is 6 meters long and the
question what are the similarities and differences in the fuel sources emissions and consumption between united states
a sailor strikes the side of his ship just below the surface of the sea he hears the echo of the wave reflected from
a fishing boat is drifting just above a school of tuna on a foggy day without warning an engine backfire occurs on
taking right to be positive if a speaker is moving at a velocity of -22 ms while emitting a sound of frequency 1385 hz
two speakers are driven by the same oscillator whose frequency is f they are located a distance d from each other on a
a 4400 hz tuning fork is sounded together with an out-of-tune guitar string and a beat frequency of 3 hz is heard when
the speed of sound in air is about 660mileshour a passenger train approaches an unguarded railroad crossing at a
ultrasound is the name given to frequencies above the human range of hearing which is about 20000 rm hz waves above
the fundamental frequency of an open-open tube is 1500 hz when the tube is filled with 0 degree celsius helium what is
two guitarists attempt to play the same note of wavelength 649 cm at the same time but one of the instruments is
the fundamental frequency of a pipe that is open at both ends is 592 hza how long is this pipeb if one end is now
a rescue plane flies horizontally at a constant speed searching for a disabled boat when the plane is directly above
1 a tuning fork is sounded above a narrow resonating tube as in lab the first resonant situation occurs when the water
1explain why a beaker filled with water at 4 degree celcius overflows if the temperature is decreased or
when i was camping i needed to bring 300 grams of ice at -15c just to the point of boiling at standard pressure the ice
the heating and airflow ducts to and from the room are circular 030m in diameter the room is 3mx45x6m and the air flow