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When doing a sound experiment, you recorded the sound of a single frequency sound when it was stationary. You then placed the source on the back of your friend's bicycle and recorded the sound again as he rode away from you at 10 m/s. When the two recording are played simultaneously, you hear a beat frequency of 5.5 beats per second.
1. What was the frequency of the source?
2. What frequency did you hear as your friend rode away from you?
The 230,000 lb space-shuttle orbiter touches down at about 220 mi/hr. find the corresponding distance (in feet) traveled by the orbiter
The drawing shows a mercury barometer. Consider two barometers, one using mercury and another using an unknown liquid. assume that the pressure above the liquid in each tube is negligible. The height of the unknown liquid is 18.3 times greater tha..
A runner is practicing on a circular track that is 535 m in circumference. From the point farthest to the east on the track, he starts off running due south and follows the track as it curves around toward the west.
A floodlight with a mass of 46.00 kg is used to clarify the parking lot in front of a library. The floodlight is supported at the end of horizontal beam that is hinged to a vertical pole. A cable that makes an angle of 29 degrees with the beam is att..
In gaseous sodium chloride, chloride ions have one more electron than they have protons, What is the magnitude of the electrostatic force the molecule exerts on it
A monochromatic beam of light of wavelength 600 nm is incident normally on a diffraction grating with a slit spacing of 1.70 × 10-4 cm
IP Water flows through a horizontal tube of diameter 3.0cm that is joined to a second horizontal tube of diameter 2.0cm. Find the speed of flow in the first tube in m/s
Consider a solid that sublimes (goes from solid to gas) at 300K. In the solid phase, the molecules have six degrees of freedom and u0=-0.15 eV, What is the latent heat of sublimation in joules per mole
A charging cell phone battery requires a current of 1.60 A and power is dissipated in the battery at 7.52 W. Determine the current drawn from the wall by the charger
what are the wavelengths of electro magnetic waves in free space that have frequencies of a) 5.00 x 10^19Hz, b) 4.00 x 19^9.
Diane (weight 255 N) is practicing on a tightrope that is 6.00 meters long and sags by 0.120 meters. find the force on each eyebolt holding the tightrope
35.0g of copper pellets are removed from a 300?C oven and immediately dropped into 90.0mL of water at 25.0?C, What will the new water temperature be
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